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Commit | Line | Data |
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064af421 | 1 | /* |
39cc5c4a | 2 | * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Nicira, Inc. |
064af421 | 3 | * |
a14bc59f BP |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at: | |
064af421 | 7 | * |
a14bc59f BP |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
064af421 BP |
15 | */ |
16 | ||
17 | #include <config.h> | |
2b07c8b1 | 18 | #include <ctype.h> |
064af421 BP |
19 | #include <errno.h> |
20 | #include <getopt.h> | |
21 | #include <inttypes.h> | |
bd6b7545 | 22 | #include <sys/socket.h> |
064af421 | 23 | #include <net/if.h> |
064af421 | 24 | #include <signal.h> |
064af421 BP |
25 | #include <stdlib.h> |
26 | #include <string.h> | |
27 | #include <unistd.h> | |
71d1b763 | 28 | #include <fcntl.h> |
064af421 BP |
29 | #include <sys/stat.h> |
30 | #include <sys/time.h> | |
31 | ||
10a24935 | 32 | #include "byte-order.h" |
09246b99 | 33 | #include "classifier.h" |
064af421 | 34 | #include "command-line.h" |
1eb85ef5 | 35 | #include "daemon.h" |
ef7b593b | 36 | #include "colors.h" |
064af421 BP |
37 | #include "compiler.h" |
38 | #include "dirs.h" | |
d271907f | 39 | #include "dp-packet.h" |
8a777cf6 | 40 | #include "fatal-signal.h" |
09246b99 | 41 | #include "nx-match.h" |
064af421 | 42 | #include "odp-util.h" |
a53a8efa | 43 | #include "ofp-version-opt.h" |
63d347ce | 44 | #include "ofproto/ofproto.h" |
064af421 BP |
45 | #include "openflow/nicira-ext.h" |
46 | #include "openflow/openflow.h" | |
d271907f BW |
47 | #include "openvswitch/dynamic-string.h" |
48 | #include "openvswitch/meta-flow.h" | |
b598f214 | 49 | #include "openvswitch/ofp-actions.h" |
d271907f BW |
50 | #include "openvswitch/ofp-errors.h" |
51 | #include "openvswitch/ofp-msgs.h" | |
25d436fb | 52 | #include "openvswitch/ofp-print.h" |
d271907f BW |
53 | #include "openvswitch/ofp-util.h" |
54 | #include "openvswitch/ofp-parse.h" | |
55 | #include "openvswitch/ofpbuf.h" | |
56 | #include "openvswitch/vconn.h" | |
57 | #include "openvswitch/vlog.h" | |
0c3d5fc8 | 58 | #include "packets.h" |
14249c02 | 59 | #include "pcap-file.h" |
1eb85ef5 | 60 | #include "poll-loop.h" |
064af421 | 61 | #include "random.h" |
b598f214 | 62 | #include "sort.h" |
fe55ad15 | 63 | #include "stream-ssl.h" |
c3f25389 | 64 | #include "socket-util.h" |
064af421 | 65 | #include "timeval.h" |
1eb85ef5 | 66 | #include "unixctl.h" |
064af421 | 67 | #include "util.h" |
064af421 | 68 | |
d98e6007 | 69 | VLOG_DEFINE_THIS_MODULE(ofctl); |
064af421 | 70 | |
06d4d4b6 JR |
71 | /* --bundle: Use OpenFlow 1.3+ bundle for making the flow table change atomic. |
72 | * NOTE: If OpenFlow 1.3 or higher is not selected with the '-O' option, | |
73 | * OpenFlow 1.4 will be implicitly selected. Also the flow mod will use | |
74 | * OpenFlow 1.4, so the semantics may be different (see the comment in | |
75 | * parse_options() for details). | |
db5076ee JR |
76 | */ |
77 | static bool bundle = false; | |
78 | ||
20174b74 QM |
79 | /* --color: Use color markers. */ |
80 | static bool enable_color; | |
81 | ||
102ce766 EJ |
82 | /* --strict: Use strict matching for flow mod commands? Additionally governs |
83 | * use of nx_pull_match() instead of nx_pull_match_loose() in parse-nx-match. | |
84 | */ | |
675febfa | 85 | static bool strict; |
064af421 | 86 | |
96989efc | 87 | /* --readd: If true, on replace-flows, re-add even flows that have not changed |
c4ea79bf BP |
88 | * (to reset flow counters). */ |
89 | static bool readd; | |
90 | ||
27527aa0 BP |
91 | /* -F, --flow-format: Allowed protocols. By default, any protocol is |
92 | * allowed. */ | |
93 | static enum ofputil_protocol allowed_protocols = OFPUTIL_P_ANY; | |
88ca35ee | 94 | |
54834960 EJ |
95 | /* -P, --packet-in-format: Packet IN format to use in monitor and snoop |
96 | * commands. Either one of NXPIF_* to force a particular packet_in format, or | |
97 | * -1 to let ovs-ofctl choose the default. */ | |
98 | static int preferred_packet_in_format = -1; | |
99 | ||
4f564f8d BP |
100 | /* -m, --more: Additional verbosity for ofp-print functions. */ |
101 | static int verbosity; | |
102 | ||
0c9560b7 BP |
103 | /* --timestamp: Print a timestamp before each received packet on "monitor" and |
104 | * "snoop" command? */ | |
105 | static bool timestamp; | |
106 | ||
19945013 BP |
107 | /* --unixctl-path: Path to use for unixctl server, for "monitor" and "snoop" |
108 | commands. */ | |
109 | static char *unixctl_path; | |
110 | ||
bdcc5925 BP |
111 | /* --sort, --rsort: Sort order. */ |
112 | enum sort_order { SORT_ASC, SORT_DESC }; | |
113 | struct sort_criterion { | |
114 | const struct mf_field *field; /* NULL means to sort by priority. */ | |
115 | enum sort_order order; | |
116 | }; | |
117 | static struct sort_criterion *criteria; | |
118 | static size_t n_criteria, allocated_criteria; | |
119 | ||
5f383751 | 120 | static const struct ovs_cmdl_command *get_all_commands(void); |
064af421 | 121 | |
cab50449 | 122 | OVS_NO_RETURN static void usage(void); |
675febfa | 123 | static void parse_options(int argc, char *argv[]); |
064af421 | 124 | |
bdcc5925 BP |
125 | static bool recv_flow_stats_reply(struct vconn *, ovs_be32 send_xid, |
126 | struct ofpbuf **replyp, | |
127 | struct ofputil_flow_stats *, | |
128 | struct ofpbuf *ofpacts); | |
675febfa BP |
129 | int |
130 | main(int argc, char *argv[]) | |
064af421 | 131 | { |
1636c761 | 132 | struct ovs_cmdl_context ctx = { .argc = 0, }; |
064af421 | 133 | set_program_name(argv[0]); |
5e3ee29d | 134 | service_start(&argc, &argv); |
675febfa | 135 | parse_options(argc, argv); |
8a777cf6 | 136 | fatal_ignore_sigpipe(); |
1636c761 RB |
137 | ctx.argc = argc - optind; |
138 | ctx.argv = argv + optind; | |
e91b927d AZ |
139 | |
140 | daemon_become_new_user(false); | |
1636c761 | 141 | ovs_cmdl_run_command(&ctx, get_all_commands()); |
064af421 BP |
142 | return 0; |
143 | } | |
144 | ||
bdcc5925 BP |
145 | static void |
146 | add_sort_criterion(enum sort_order order, const char *field) | |
147 | { | |
148 | struct sort_criterion *sc; | |
149 | ||
150 | if (n_criteria >= allocated_criteria) { | |
151 | criteria = x2nrealloc(criteria, &allocated_criteria, sizeof *criteria); | |
152 | } | |
153 | ||
154 | sc = &criteria[n_criteria++]; | |
155 | if (!field || !strcasecmp(field, "priority")) { | |
156 | sc->field = NULL; | |
157 | } else { | |
158 | sc->field = mf_from_name(field); | |
159 | if (!sc->field) { | |
160 | ovs_fatal(0, "%s: unknown field name", field); | |
161 | } | |
162 | } | |
163 | sc->order = order; | |
164 | } | |
165 | ||
064af421 | 166 | static void |
675febfa | 167 | parse_options(int argc, char *argv[]) |
064af421 BP |
168 | { |
169 | enum { | |
87c84891 | 170 | OPT_STRICT = UCHAR_MAX + 1, |
c4ea79bf | 171 | OPT_READD, |
0c9560b7 | 172 | OPT_TIMESTAMP, |
bdcc5925 BP |
173 | OPT_SORT, |
174 | OPT_RSORT, | |
19945013 | 175 | OPT_UNIXCTL, |
db5076ee | 176 | OPT_BUNDLE, |
20174b74 | 177 | OPT_COLOR, |
1eb85ef5 | 178 | DAEMON_OPTION_ENUMS, |
a53a8efa | 179 | OFP_VERSION_OPTION_ENUMS, |
87c84891 | 180 | VLOG_OPTION_ENUMS |
064af421 | 181 | }; |
07fc4ed3 | 182 | static const struct option long_options[] = { |
e3c17733 BP |
183 | {"timeout", required_argument, NULL, 't'}, |
184 | {"strict", no_argument, NULL, OPT_STRICT}, | |
c4ea79bf | 185 | {"readd", no_argument, NULL, OPT_READD}, |
e3c17733 | 186 | {"flow-format", required_argument, NULL, 'F'}, |
54834960 | 187 | {"packet-in-format", required_argument, NULL, 'P'}, |
e3c17733 | 188 | {"more", no_argument, NULL, 'm'}, |
0c9560b7 | 189 | {"timestamp", no_argument, NULL, OPT_TIMESTAMP}, |
bdcc5925 BP |
190 | {"sort", optional_argument, NULL, OPT_SORT}, |
191 | {"rsort", optional_argument, NULL, OPT_RSORT}, | |
19945013 | 192 | {"unixctl", required_argument, NULL, OPT_UNIXCTL}, |
e3c17733 | 193 | {"help", no_argument, NULL, 'h'}, |
66fa2c88 | 194 | {"option", no_argument, NULL, 'o'}, |
db5076ee | 195 | {"bundle", no_argument, NULL, OPT_BUNDLE}, |
20174b74 | 196 | {"color", optional_argument, NULL, OPT_COLOR}, |
1eb85ef5 | 197 | DAEMON_LONG_OPTIONS, |
a53a8efa | 198 | OFP_VERSION_LONG_OPTIONS, |
87c84891 | 199 | VLOG_LONG_OPTIONS, |
bf8f2167 | 200 | STREAM_SSL_LONG_OPTIONS, |
e3c17733 | 201 | {NULL, 0, NULL, 0}, |
064af421 | 202 | }; |
5f383751 | 203 | char *short_options = ovs_cmdl_long_options_to_short_options(long_options); |
37923ac7 BP |
204 | uint32_t versions; |
205 | enum ofputil_protocol version_protocols; | |
064af421 | 206 | |
6dc53744 BP |
207 | /* For now, ovs-ofctl only enables OpenFlow 1.0 by default. This is |
208 | * because ovs-ofctl implements command such as "add-flow" as raw OpenFlow | |
209 | * requests, but those requests have subtly different semantics in | |
210 | * different OpenFlow versions. For example: | |
211 | * | |
212 | * - In OpenFlow 1.0, a "mod-flow" operation that does not find any | |
213 | * existing flow to modify adds a new flow. | |
214 | * | |
215 | * - In OpenFlow 1.1, a "mod-flow" operation that does not find any | |
216 | * existing flow to modify adds a new flow, but only if the mod-flow | |
217 | * did not match on the flow cookie. | |
218 | * | |
219 | * - In OpenFlow 1.2 and a later, a "mod-flow" operation never adds a | |
220 | * new flow. | |
221 | */ | |
222 | set_allowed_ofp_versions("OpenFlow10"); | |
223 | ||
064af421 BP |
224 | for (;;) { |
225 | unsigned long int timeout; | |
226 | int c; | |
227 | ||
228 | c = getopt_long(argc, argv, short_options, long_options, NULL); | |
229 | if (c == -1) { | |
230 | break; | |
231 | } | |
232 | ||
233 | switch (c) { | |
234 | case 't': | |
235 | timeout = strtoul(optarg, NULL, 10); | |
236 | if (timeout <= 0) { | |
237 | ovs_fatal(0, "value %s on -t or --timeout is not at least 1", | |
238 | optarg); | |
239 | } else { | |
240 | time_alarm(timeout); | |
241 | } | |
242 | break; | |
243 | ||
88ca35ee | 244 | case 'F': |
27527aa0 BP |
245 | allowed_protocols = ofputil_protocols_from_string(optarg); |
246 | if (!allowed_protocols) { | |
247 | ovs_fatal(0, "%s: invalid flow format(s)", optarg); | |
88ca35ee BP |
248 | } |
249 | break; | |
250 | ||
54834960 EJ |
251 | case 'P': |
252 | preferred_packet_in_format = | |
253 | ofputil_packet_in_format_from_string(optarg); | |
254 | if (preferred_packet_in_format < 0) { | |
255 | ovs_fatal(0, "unknown packet-in format `%s'", optarg); | |
256 | } | |
257 | break; | |
258 | ||
4f564f8d BP |
259 | case 'm': |
260 | verbosity++; | |
261 | break; | |
262 | ||
064af421 BP |
263 | case 'h': |
264 | usage(); | |
265 | ||
66fa2c88 | 266 | case 'o': |
5f383751 | 267 | ovs_cmdl_print_options(long_options); |
66fa2c88 AW |
268 | exit(EXIT_SUCCESS); |
269 | ||
db5076ee JR |
270 | case OPT_BUNDLE: |
271 | bundle = true; | |
272 | break; | |
273 | ||
064af421 | 274 | case OPT_STRICT: |
675febfa | 275 | strict = true; |
064af421 BP |
276 | break; |
277 | ||
c4ea79bf BP |
278 | case OPT_READD: |
279 | readd = true; | |
280 | break; | |
281 | ||
0c9560b7 BP |
282 | case OPT_TIMESTAMP: |
283 | timestamp = true; | |
284 | break; | |
285 | ||
bdcc5925 BP |
286 | case OPT_SORT: |
287 | add_sort_criterion(SORT_ASC, optarg); | |
288 | break; | |
289 | ||
290 | case OPT_RSORT: | |
291 | add_sort_criterion(SORT_DESC, optarg); | |
292 | break; | |
293 | ||
19945013 BP |
294 | case OPT_UNIXCTL: |
295 | unixctl_path = optarg; | |
296 | break; | |
297 | ||
20174b74 QM |
298 | case OPT_COLOR: |
299 | if (optarg) { | |
300 | if (!strcasecmp(optarg, "always") | |
301 | || !strcasecmp(optarg, "yes") | |
302 | || !strcasecmp(optarg, "force")) { | |
303 | enable_color = true; | |
304 | } else if (!strcasecmp(optarg, "never") | |
305 | || !strcasecmp(optarg, "no") | |
306 | || !strcasecmp(optarg, "none")) { | |
307 | enable_color = false; | |
308 | } else if (!strcasecmp(optarg, "auto") | |
309 | || !strcasecmp(optarg, "tty") | |
310 | || !strcasecmp(optarg, "if-tty")) { | |
311 | /* Determine whether we need colors, i.e. whether standard | |
312 | * output is a tty. */ | |
313 | enable_color = is_stdout_a_tty(); | |
314 | } else { | |
315 | ovs_fatal(0, "incorrect value `%s' for --color", optarg); | |
316 | } | |
317 | } else { | |
318 | enable_color = is_stdout_a_tty(); | |
319 | } | |
320 | break; | |
321 | ||
1eb85ef5 | 322 | DAEMON_OPTION_HANDLERS |
a53a8efa | 323 | OFP_VERSION_OPTION_HANDLERS |
87c84891 | 324 | VLOG_OPTION_HANDLERS |
fe55ad15 | 325 | STREAM_SSL_OPTION_HANDLERS |
064af421 BP |
326 | |
327 | case '?': | |
328 | exit(EXIT_FAILURE); | |
329 | ||
330 | default: | |
331 | abort(); | |
332 | } | |
333 | } | |
bdcc5925 BP |
334 | |
335 | if (n_criteria) { | |
336 | /* Always do a final sort pass based on priority. */ | |
337 | add_sort_criterion(SORT_DESC, "priority"); | |
338 | } | |
339 | ||
064af421 | 340 | free(short_options); |
37923ac7 | 341 | |
db5076ee | 342 | /* Implicit OpenFlow 1.4 with the '--bundle' option. */ |
06d4d4b6 JR |
343 | if (bundle && !(get_allowed_ofp_versions() & |
344 | ofputil_protocols_to_version_bitmap(OFPUTIL_P_OF13_UP))) { | |
db5076ee JR |
345 | /* Add implicit allowance for OpenFlow 1.4. */ |
346 | add_allowed_ofp_versions(ofputil_protocols_to_version_bitmap( | |
347 | OFPUTIL_P_OF14_OXM)); | |
06d4d4b6 | 348 | /* Remove all versions that do not support bundles. */ |
5f8c05ad | 349 | mask_allowed_ofp_versions(ofputil_protocols_to_version_bitmap( |
06d4d4b6 | 350 | OFPUTIL_P_OF13_UP)); |
db5076ee | 351 | } |
37923ac7 BP |
352 | versions = get_allowed_ofp_versions(); |
353 | version_protocols = ofputil_protocols_from_version_bitmap(versions); | |
354 | if (!(allowed_protocols & version_protocols)) { | |
355 | char *protocols = ofputil_protocols_to_string(allowed_protocols); | |
356 | struct ds version_s = DS_EMPTY_INITIALIZER; | |
357 | ||
358 | ofputil_format_version_bitmap_names(&version_s, versions); | |
359 | ovs_fatal(0, "None of the enabled OpenFlow versions (%s) supports " | |
360 | "any of the enabled flow formats (%s). (Use -O to enable " | |
361 | "additional OpenFlow versions or -F to enable additional " | |
362 | "flow formats.)", ds_cstr(&version_s), protocols); | |
363 | } | |
364 | allowed_protocols &= version_protocols; | |
365 | mask_allowed_ofp_versions(ofputil_protocols_to_version_bitmap( | |
366 | allowed_protocols)); | |
ef7b593b QM |
367 | |
368 | colors_init(enable_color); | |
064af421 BP |
369 | } |
370 | ||
371 | static void | |
372 | usage(void) | |
373 | { | |
374 | printf("%s: OpenFlow switch management utility\n" | |
375 | "usage: %s [OPTIONS] COMMAND [ARG...]\n" | |
376 | "\nFor OpenFlow switches:\n" | |
377 | " show SWITCH show OpenFlow information\n" | |
064af421 BP |
378 | " dump-desc SWITCH print switch description\n" |
379 | " dump-tables SWITCH print table stats\n" | |
5deff5aa | 380 | " dump-table-features SWITCH print table features\n" |
03c72922 | 381 | " dump-table-desc SWITCH print table description (OF1.4+)\n" |
064af421 | 382 | " mod-port SWITCH IFACE ACT modify port behavior\n" |
918f2b82 | 383 | " mod-table SWITCH MOD modify flow table behavior\n" |
82c22d34 | 384 | " OF1.1/1.2 MOD: controller, continue, drop\n" |
de7d3c07 | 385 | " OF1.4+ MOD: evict, noevict, vacancy:low,high, novacancy\n" |
7257b535 BP |
386 | " get-frags SWITCH print fragment handling behavior\n" |
387 | " set-frags SWITCH FRAG_MODE set fragment handling behavior\n" | |
82c22d34 | 388 | " FRAG_MODE: normal, drop, reassemble, nx-match\n" |
abaad8cf | 389 | " dump-ports SWITCH [PORT] print port statistics\n" |
70ae4f93 | 390 | " dump-ports-desc SWITCH [PORT] print port descriptions\n" |
064af421 BP |
391 | " dump-flows SWITCH print all flow entries\n" |
392 | " dump-flows SWITCH FLOW print matching FLOWs\n" | |
393 | " dump-aggregate SWITCH print aggregate flow statistics\n" | |
394 | " dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n" | |
d2805da2 | 395 | " queue-stats SWITCH [PORT [QUEUE]] dump queue stats\n" |
064af421 BP |
396 | " add-flow SWITCH FLOW add flow described by FLOW\n" |
397 | " add-flows SWITCH FILE add flows from FILE\n" | |
398 | " mod-flows SWITCH FLOW modify actions of matching FLOWs\n" | |
399 | " del-flows SWITCH [FLOW] delete matching FLOWs\n" | |
5ff660c6 | 400 | " replace-flows SWITCH FILE replace flows with those in FILE\n" |
1dac118c | 401 | " diff-flows SOURCE1 SOURCE2 compare flows from two sources\n" |
0c3d5fc8 BP |
402 | " packet-out SWITCH IN_PORT ACTIONS PACKET...\n" |
403 | " execute ACTIONS on PACKET\n" | |
2b07c8b1 | 404 | " monitor SWITCH [MISSLEN] [invalid_ttl] [watch:[...]]\n" |
1dac118c BP |
405 | " print packets received from SWITCH\n" |
406 | " snoop SWITCH snoop on SWITCH and its controller\n" | |
7395c052 | 407 | " add-group SWITCH GROUP add group described by GROUP\n" |
bdcca615 | 408 | " add-groups SWITCH FILE add group from FILE\n" |
7395c052 NZ |
409 | " mod-group SWITCH GROUP modify specific group\n" |
410 | " del-groups SWITCH [GROUP] delete matching GROUPs\n" | |
bdbb8426 SH |
411 | " insert-buckets SWITCH [GROUP] add buckets to GROUP\n" |
412 | " remove-buckets SWITCH [GROUP] remove buckets from GROUP\n" | |
7395c052 | 413 | " dump-group-features SWITCH print group features\n" |
19187a71 | 414 | " dump-groups SWITCH [GROUP] print group description\n" |
7395c052 | 415 | " dump-group-stats SWITCH [GROUP] print group statistics\n" |
56085be5 | 416 | " queue-get-config SWITCH [PORT] print queue config for PORT\n" |
3200ed58 JR |
417 | " add-meter SWITCH METER add meter described by METER\n" |
418 | " mod-meter SWITCH METER modify specific METER\n" | |
419 | " del-meter SWITCH METER delete METER\n" | |
420 | " del-meters SWITCH delete all meters\n" | |
421 | " dump-meter SWITCH METER print METER configuration\n" | |
422 | " dump-meters SWITCH print all meter configuration\n" | |
423 | " meter-stats SWITCH [METER] print meter statistics\n" | |
424 | " meter-features SWITCH print meter features\n" | |
4e548ad9 ML |
425 | " add-tlv-map SWITCH MAP add TLV option MAPpings\n" |
426 | " del-tlv-map SWITCH [MAP] delete TLV option MAPpings\n" | |
427 | " dump-tlv-map SWITCH print TLV option mappings\n" | |
fb8f22c1 BY |
428 | " dump-ipfix-bridge SWITCH print ipfix stats of bridge\n" |
429 | " dump-ipfix-flow SWITCH print flow ipfix of a bridge\n" | |
064af421 | 430 | "\nFor OpenFlow switches and controllers:\n" |
2daadadd BP |
431 | " probe TARGET probe whether TARGET is up\n" |
432 | " ping TARGET [N] latency of N-byte echos\n" | |
433 | " benchmark TARGET N COUNT bandwidth of COUNT N-byte echos\n" | |
1ac0e975 BP |
434 | "SWITCH or TARGET is an active OpenFlow connection method.\n" |
435 | "\nOther commands:\n" | |
f3dd1419 BP |
436 | " ofp-parse FILE print messages read from FILE\n" |
437 | " ofp-parse-pcap PCAP print OpenFlow read from PCAP\n", | |
064af421 BP |
438 | program_name, program_name); |
439 | vconn_usage(true, false, false); | |
1eb85ef5 | 440 | daemon_usage(); |
a53a8efa | 441 | ofp_version_usage(); |
064af421 BP |
442 | vlog_usage(); |
443 | printf("\nOther options:\n" | |
444 | " --strict use strict match for flow commands\n" | |
c4ea79bf | 445 | " --readd replace flows that haven't changed\n" |
88ca35ee | 446 | " -F, --flow-format=FORMAT force particular flow format\n" |
54834960 | 447 | " -P, --packet-in-format=FRMT force particular packet in format\n" |
4f564f8d | 448 | " -m, --more be more verbose printing OpenFlow\n" |
0c9560b7 | 449 | " --timestamp (monitor, snoop) print timestamps\n" |
064af421 | 450 | " -t, --timeout=SECS give up after SECS seconds\n" |
bdcc5925 BP |
451 | " --sort[=field] sort in ascending order\n" |
452 | " --rsort[=field] sort in descending order\n" | |
19945013 | 453 | " --unixctl=SOCKET set control socket name\n" |
20174b74 | 454 | " --color[=always|never|auto] control use of color in output\n" |
064af421 BP |
455 | " -h, --help display this help message\n" |
456 | " -V, --version display version information\n"); | |
457 | exit(EXIT_SUCCESS); | |
458 | } | |
459 | ||
1eb85ef5 EJ |
460 | static void |
461 | ofctl_exit(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
462 | const char *argv[] OVS_UNUSED, void *exiting_) | |
463 | { | |
464 | bool *exiting = exiting_; | |
465 | *exiting = true; | |
bde9f75d | 466 | unixctl_command_reply(conn, NULL); |
1eb85ef5 EJ |
467 | } |
468 | ||
064af421 | 469 | static void run(int retval, const char *message, ...) |
cab50449 | 470 | OVS_PRINTF_FORMAT(2, 3); |
064af421 | 471 | |
473f65a2 BP |
472 | static void |
473 | run(int retval, const char *message, ...) | |
064af421 BP |
474 | { |
475 | if (retval) { | |
476 | va_list args; | |
477 | ||
064af421 | 478 | va_start(args, message); |
fcaddd4d | 479 | ovs_fatal_valist(retval, message, args); |
064af421 BP |
480 | } |
481 | } | |
482 | \f | |
483 | /* Generic commands. */ | |
484 | ||
c3f25389 | 485 | static int |
1a6f1e2a JG |
486 | open_vconn_socket(const char *name, struct vconn **vconnp) |
487 | { | |
488 | char *vconn_name = xasprintf("unix:%s", name); | |
c3f25389 EJ |
489 | int error; |
490 | ||
82c8c53c BP |
491 | error = vconn_open(vconn_name, get_allowed_ofp_versions(), DSCP_DEFAULT, |
492 | vconnp); | |
c3f25389 EJ |
493 | if (error && error != ENOENT) { |
494 | ovs_fatal(0, "%s: failed to open socket (%s)", name, | |
10a89ef0 | 495 | ovs_strerror(error)); |
c3f25389 | 496 | } |
1a6f1e2a | 497 | free(vconn_name); |
c3f25389 EJ |
498 | |
499 | return error; | |
1a6f1e2a JG |
500 | } |
501 | ||
4766ce7a BP |
502 | enum open_target { MGMT, SNOOP }; |
503 | ||
27527aa0 | 504 | static enum ofputil_protocol |
4766ce7a | 505 | open_vconn__(const char *name, enum open_target target, |
0caf6bde | 506 | struct vconn **vconnp) |
064af421 | 507 | { |
4766ce7a | 508 | const char *suffix = target == MGMT ? "mgmt" : "snoop"; |
63d347ce | 509 | char *datapath_name, *datapath_type, *socket_name; |
27527aa0 | 510 | enum ofputil_protocol protocol; |
63d347ce | 511 | char *bridge_path; |
27527aa0 | 512 | int ofp_version; |
c3f25389 | 513 | int error; |
1a6f1e2a | 514 | |
4766ce7a | 515 | bridge_path = xasprintf("%s/%s.%s", ovs_rundir(), name, suffix); |
63d347ce BP |
516 | |
517 | ofproto_parse_name(name, &datapath_name, &datapath_type); | |
4766ce7a | 518 | socket_name = xasprintf("%s/%s.%s", ovs_rundir(), datapath_name, suffix); |
63d347ce BP |
519 | free(datapath_name); |
520 | free(datapath_type); | |
064af421 | 521 | |
3a27375e | 522 | if (strchr(name, ':')) { |
539b741f | 523 | run(vconn_open(name, get_allowed_ofp_versions(), DSCP_DEFAULT, vconnp), |
a53a8efa | 524 | "connecting to %s", name); |
c3f25389 EJ |
525 | } else if (!open_vconn_socket(name, vconnp)) { |
526 | /* Fall Through. */ | |
527 | } else if (!open_vconn_socket(bridge_path, vconnp)) { | |
528 | /* Fall Through. */ | |
529 | } else if (!open_vconn_socket(socket_name, vconnp)) { | |
530 | /* Fall Through. */ | |
064af421 | 531 | } else { |
2c0e6eb4 | 532 | ovs_fatal(0, "%s is not a bridge or a socket", name); |
064af421 | 533 | } |
1a6f1e2a | 534 | |
4766ce7a BP |
535 | if (target == SNOOP) { |
536 | vconn_set_recv_any_version(*vconnp); | |
537 | } | |
538 | ||
1a6f1e2a | 539 | free(bridge_path); |
63d347ce | 540 | free(socket_name); |
27527aa0 | 541 | |
c3f25389 EJ |
542 | VLOG_DBG("connecting to %s", vconn_get_name(*vconnp)); |
543 | error = vconn_connect_block(*vconnp); | |
544 | if (error) { | |
545 | ovs_fatal(0, "%s: failed to connect to socket (%s)", name, | |
10a89ef0 | 546 | ovs_strerror(error)); |
c3f25389 EJ |
547 | } |
548 | ||
27527aa0 BP |
549 | ofp_version = vconn_get_version(*vconnp); |
550 | protocol = ofputil_protocol_from_ofp_version(ofp_version); | |
551 | if (!protocol) { | |
552 | ovs_fatal(0, "%s: unsupported OpenFlow version 0x%02x", | |
553 | name, ofp_version); | |
554 | } | |
555 | return protocol; | |
064af421 BP |
556 | } |
557 | ||
27527aa0 | 558 | static enum ofputil_protocol |
0caf6bde BP |
559 | open_vconn(const char *name, struct vconn **vconnp) |
560 | { | |
4766ce7a | 561 | return open_vconn__(name, MGMT, vconnp); |
0caf6bde BP |
562 | } |
563 | ||
064af421 BP |
564 | static void |
565 | send_openflow_buffer(struct vconn *vconn, struct ofpbuf *buffer) | |
566 | { | |
064af421 BP |
567 | run(vconn_send_block(vconn, buffer), "failed to send packet to switch"); |
568 | } | |
569 | ||
570 | static void | |
a53a8efa | 571 | dump_transaction(struct vconn *vconn, struct ofpbuf *request) |
064af421 | 572 | { |
182b2eef BP |
573 | const struct ofp_header *oh = request->data; |
574 | if (ofpmsg_is_stat_request(oh)) { | |
575 | ovs_be32 send_xid = oh->xid; | |
576 | enum ofpraw request_raw; | |
577 | enum ofpraw reply_raw; | |
578 | bool done = false; | |
064af421 | 579 | |
182b2eef BP |
580 | ofpraw_decode_partial(&request_raw, request->data, request->size); |
581 | reply_raw = ofpraw_stats_request_to_reply(request_raw, oh->version); | |
982697a4 | 582 | |
182b2eef BP |
583 | send_openflow_buffer(vconn, request); |
584 | while (!done) { | |
585 | ovs_be32 recv_xid; | |
586 | struct ofpbuf *reply; | |
064af421 | 587 | |
182b2eef BP |
588 | run(vconn_recv_block(vconn, &reply), |
589 | "OpenFlow packet receive failed"); | |
590 | recv_xid = ((struct ofp_header *) reply->data)->xid; | |
591 | if (send_xid == recv_xid) { | |
592 | enum ofpraw raw; | |
064af421 | 593 | |
182b2eef | 594 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
064af421 | 595 | |
182b2eef BP |
596 | ofpraw_decode(&raw, reply->data); |
597 | if (ofptype_from_ofpraw(raw) == OFPTYPE_ERROR) { | |
598 | done = true; | |
599 | } else if (raw == reply_raw) { | |
600 | done = !ofpmp_more(reply->data); | |
601 | } else { | |
602 | ovs_fatal(0, "received bad reply: %s", | |
603 | ofp_to_string(reply->data, reply->size, | |
604 | verbosity + 1)); | |
605 | } | |
a76150b1 | 606 | } else { |
182b2eef BP |
607 | VLOG_DBG("received reply with xid %08"PRIx32" " |
608 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
a76150b1 | 609 | } |
182b2eef | 610 | ofpbuf_delete(reply); |
064af421 | 611 | } |
182b2eef BP |
612 | } else { |
613 | struct ofpbuf *reply; | |
614 | ||
615 | run(vconn_transact(vconn, request, &reply), "talking to %s", | |
616 | vconn_get_name(vconn)); | |
617 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); | |
064af421 BP |
618 | ofpbuf_delete(reply); |
619 | } | |
9abfe557 BP |
620 | } |
621 | ||
622 | static void | |
182b2eef | 623 | dump_trivial_transaction(const char *vconn_name, enum ofpraw raw) |
9abfe557 | 624 | { |
53514387 | 625 | struct ofpbuf *request; |
9abfe557 BP |
626 | struct vconn *vconn; |
627 | ||
628 | open_vconn(vconn_name, &vconn); | |
53514387 | 629 | request = ofpraw_alloc(raw, vconn_get_version(vconn), 0); |
182b2eef | 630 | dump_transaction(vconn, request); |
064af421 BP |
631 | vconn_close(vconn); |
632 | } | |
633 | ||
a8eebd48 BP |
634 | /* Sends all of the 'requests', which should be requests that only have replies |
635 | * if an error occurs, and waits for them to succeed or fail. If an error does | |
636 | * occur, prints it and exits with an error. | |
7257b535 BP |
637 | * |
638 | * Destroys all of the 'requests'. */ | |
d12513f7 | 639 | static void |
ca6ba700 | 640 | transact_multiple_noreply(struct vconn *vconn, struct ovs_list *requests) |
d12513f7 | 641 | { |
db5076ee | 642 | struct ofpbuf *reply; |
88ca35ee BP |
643 | |
644 | run(vconn_transact_multiple_noreply(vconn, requests, &reply), | |
d12513f7 BP |
645 | "talking to %s", vconn_get_name(vconn)); |
646 | if (reply) { | |
6fd6ed71 | 647 | ofp_print(stderr, reply->data, reply->size, verbosity + 2); |
d12513f7 BP |
648 | exit(1); |
649 | } | |
650 | ofpbuf_delete(reply); | |
651 | } | |
652 | ||
db5076ee JR |
653 | static void |
654 | bundle_error_reporter(const struct ofp_header *oh) | |
655 | { | |
656 | ofp_print(stderr, oh, ntohs(oh->length), verbosity + 1); | |
657 | fflush(stderr); | |
658 | } | |
659 | ||
660 | static void | |
661 | bundle_transact(struct vconn *vconn, struct ovs_list *requests, uint16_t flags) | |
662 | { | |
663 | run(vconn_bundle_transact(vconn, requests, flags, bundle_error_reporter), | |
664 | "talking to %s", vconn_get_name(vconn)); | |
665 | } | |
666 | ||
88ca35ee BP |
667 | /* Sends 'request', which should be a request that only has a reply if an error |
668 | * occurs, and waits for it to succeed or fail. If an error does occur, prints | |
7257b535 BP |
669 | * it and exits with an error. |
670 | * | |
671 | * Destroys 'request'. */ | |
88ca35ee BP |
672 | static void |
673 | transact_noreply(struct vconn *vconn, struct ofpbuf *request) | |
674 | { | |
ca6ba700 | 675 | struct ovs_list requests; |
88ca35ee | 676 | |
417e7e66 BW |
677 | ovs_list_init(&requests); |
678 | ovs_list_push_back(&requests, &request->list_node); | |
88ca35ee BP |
679 | transact_multiple_noreply(vconn, &requests); |
680 | } | |
681 | ||
7257b535 | 682 | static void |
ad99e2ed | 683 | fetch_switch_config(struct vconn *vconn, struct ofputil_switch_config *config) |
7257b535 | 684 | { |
7257b535 BP |
685 | struct ofpbuf *request; |
686 | struct ofpbuf *reply; | |
982697a4 | 687 | enum ofptype type; |
7257b535 | 688 | |
a53a8efa SH |
689 | request = ofpraw_alloc(OFPRAW_OFPT_GET_CONFIG_REQUEST, |
690 | vconn_get_version(vconn), 0); | |
7257b535 BP |
691 | run(vconn_transact(vconn, request, &reply), |
692 | "talking to %s", vconn_get_name(vconn)); | |
693 | ||
ad99e2ed BP |
694 | if (ofptype_decode(&type, reply->data) |
695 | || type != OFPTYPE_GET_CONFIG_REPLY) { | |
7257b535 BP |
696 | ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn)); |
697 | } | |
ad99e2ed | 698 | ofputil_decode_get_config_reply(reply->data, config); |
828c72d0 | 699 | ofpbuf_delete(reply); |
7257b535 BP |
700 | } |
701 | ||
702 | static void | |
ad99e2ed BP |
703 | set_switch_config(struct vconn *vconn, |
704 | const struct ofputil_switch_config *config) | |
7257b535 | 705 | { |
ad99e2ed BP |
706 | enum ofp_version version = vconn_get_version(vconn); |
707 | transact_noreply(vconn, ofputil_encode_set_config(config, version)); | |
7257b535 BP |
708 | } |
709 | ||
064af421 | 710 | static void |
1636c761 | 711 | ofctl_show(struct ovs_cmdl_context *ctx) |
064af421 | 712 | { |
1636c761 | 713 | const char *vconn_name = ctx->argv[1]; |
fca6d553 | 714 | enum ofp_version version; |
ae0e7009 JP |
715 | struct vconn *vconn; |
716 | struct ofpbuf *request; | |
717 | struct ofpbuf *reply; | |
fca6d553 | 718 | bool has_ports; |
ae0e7009 | 719 | |
ae0e7009 | 720 | open_vconn(vconn_name, &vconn); |
fca6d553 BP |
721 | version = vconn_get_version(vconn); |
722 | request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, version, 0); | |
ae0e7009 JP |
723 | run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name); |
724 | ||
fca6d553 | 725 | has_ports = ofputil_switch_features_has_ports(reply); |
6fd6ed71 | 726 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); |
ae0e7009 | 727 | ofpbuf_delete(reply); |
ae0e7009 | 728 | |
fca6d553 | 729 | if (!has_ports) { |
70ae4f93 | 730 | request = ofputil_encode_port_desc_stats_request(version, OFPP_ANY); |
182b2eef | 731 | dump_transaction(vconn, request); |
ae0e7009 | 732 | } |
982697a4 | 733 | dump_trivial_transaction(vconn_name, OFPRAW_OFPT_GET_CONFIG_REQUEST); |
a53a8efa | 734 | vconn_close(vconn); |
064af421 BP |
735 | } |
736 | ||
064af421 | 737 | static void |
1636c761 | 738 | ofctl_dump_desc(struct ovs_cmdl_context *ctx) |
064af421 | 739 | { |
182b2eef | 740 | dump_trivial_transaction(ctx->argv[1], OFPRAW_OFPST_DESC_REQUEST); |
064af421 BP |
741 | } |
742 | ||
743 | static void | |
1636c761 | 744 | ofctl_dump_tables(struct ovs_cmdl_context *ctx) |
064af421 | 745 | { |
182b2eef | 746 | dump_trivial_transaction(ctx->argv[1], OFPRAW_OFPST_TABLE_REQUEST); |
064af421 BP |
747 | } |
748 | ||
5deff5aa | 749 | static void |
1636c761 | 750 | ofctl_dump_table_features(struct ovs_cmdl_context *ctx) |
5deff5aa AW |
751 | { |
752 | struct ofpbuf *request; | |
753 | struct vconn *vconn; | |
754 | ||
1636c761 | 755 | open_vconn(ctx->argv[1], &vconn); |
5deff5aa | 756 | request = ofputil_encode_table_features_request(vconn_get_version(vconn)); |
8811fc0a | 757 | |
182b2eef | 758 | /* The following is similar to dump_trivial_transaction(), but it |
8811fc0a BP |
759 | * maintains the previous 'ofputil_table_features' from one stats reply |
760 | * message to the next, which allows duplication to be eliminated in the | |
761 | * output across messages. Otherwise the output is much larger and harder | |
762 | * to read, because only 17 or so ofputil_table_features elements fit in a | |
763 | * single 64 kB OpenFlow message and therefore you get a ton of repetition | |
764 | * (every 17th element is printed in full instead of abbreviated). */ | |
765 | ||
766 | const struct ofp_header *request_oh = request->data; | |
767 | ovs_be32 send_xid = request_oh->xid; | |
768 | bool done = false; | |
769 | ||
770 | struct ofputil_table_features prev; | |
771 | int n = 0; | |
772 | ||
773 | send_openflow_buffer(vconn, request); | |
774 | while (!done) { | |
775 | ovs_be32 recv_xid; | |
776 | struct ofpbuf *reply; | |
777 | ||
778 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
779 | recv_xid = ((struct ofp_header *) reply->data)->xid; | |
780 | if (send_xid == recv_xid) { | |
781 | enum ofptype type; | |
782 | enum ofperr error; | |
783 | error = ofptype_decode(&type, reply->data); | |
784 | if (error) { | |
785 | ovs_fatal(0, "decode error: %s", ofperr_get_name(error)); | |
786 | } else if (type == OFPTYPE_ERROR) { | |
787 | ofp_print(stdout, reply->data, reply->size, verbosity + 1); | |
788 | done = true; | |
789 | } else if (type == OFPTYPE_TABLE_FEATURES_STATS_REPLY) { | |
790 | done = !ofpmp_more(reply->data); | |
791 | for (;;) { | |
792 | struct ofputil_table_features tf; | |
793 | int retval; | |
794 | ||
795 | retval = ofputil_decode_table_features(reply, &tf, true); | |
796 | if (retval) { | |
797 | if (retval != EOF) { | |
798 | ovs_fatal(0, "decode error: %s", | |
799 | ofperr_get_name(retval)); | |
800 | } | |
801 | break; | |
802 | } | |
803 | ||
804 | struct ds s = DS_EMPTY_INITIALIZER; | |
805 | ofp_print_table_features(&s, &tf, n ? &prev : NULL, | |
806 | NULL, NULL); | |
807 | puts(ds_cstr(&s)); | |
808 | ds_destroy(&s); | |
809 | ||
810 | prev = tf; | |
811 | n++; | |
812 | } | |
813 | } else { | |
814 | ovs_fatal(0, "received bad reply: %s", | |
815 | ofp_to_string(reply->data, reply->size, | |
816 | verbosity + 1)); | |
817 | } | |
818 | } else { | |
819 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
820 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
821 | } | |
822 | ofpbuf_delete(reply); | |
5deff5aa AW |
823 | } |
824 | ||
825 | vconn_close(vconn); | |
826 | } | |
827 | ||
03c72922 BP |
828 | static void |
829 | ofctl_dump_table_desc(struct ovs_cmdl_context *ctx) | |
830 | { | |
831 | struct ofpbuf *request; | |
832 | struct vconn *vconn; | |
833 | ||
834 | open_vconn(ctx->argv[1], &vconn); | |
835 | request = ofputil_encode_table_desc_request(vconn_get_version(vconn)); | |
836 | if (request) { | |
182b2eef | 837 | dump_transaction(vconn, request); |
03c72922 BP |
838 | } |
839 | ||
840 | vconn_close(vconn); | |
841 | } | |
842 | ||
843 | ||
da91750f | 844 | static bool |
5f4c5ff1 | 845 | str_to_ofp(const char *s, ofp_port_t *ofp_port) |
abaad8cf | 846 | { |
5f4c5ff1 BP |
847 | bool ret; |
848 | uint32_t port_; | |
849 | ||
850 | ret = str_to_uint(s, 10, &port_); | |
851 | *ofp_port = u16_to_ofp(port_); | |
852 | return ret; | |
853 | } | |
854 | ||
855 | struct port_iterator { | |
856 | struct vconn *vconn; | |
857 | ||
858 | enum { PI_FEATURES, PI_PORT_DESC } variant; | |
859 | struct ofpbuf *reply; | |
860 | ovs_be32 send_xid; | |
861 | bool more; | |
862 | }; | |
863 | ||
864 | static void | |
865 | port_iterator_fetch_port_desc(struct port_iterator *pi) | |
866 | { | |
867 | pi->variant = PI_PORT_DESC; | |
868 | pi->more = true; | |
869 | ||
870 | struct ofpbuf *rq = ofputil_encode_port_desc_stats_request( | |
871 | vconn_get_version(pi->vconn), OFPP_ANY); | |
872 | pi->send_xid = ((struct ofp_header *) rq->data)->xid; | |
873 | send_openflow_buffer(pi->vconn, rq); | |
874 | } | |
875 | ||
876 | static void | |
877 | port_iterator_fetch_features(struct port_iterator *pi) | |
878 | { | |
879 | pi->variant = PI_FEATURES; | |
abaad8cf | 880 | |
0df0e81d | 881 | /* Fetch the switch's ofp_switch_features. */ |
5f4c5ff1 BP |
882 | enum ofp_version version = vconn_get_version(pi->vconn); |
883 | struct ofpbuf *rq = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, version, 0); | |
884 | run(vconn_transact(pi->vconn, rq, &pi->reply), | |
885 | "talking to %s", vconn_get_name(pi->vconn)); | |
abaad8cf | 886 | |
5f4c5ff1 BP |
887 | enum ofptype type; |
888 | if (ofptype_decode(&type, pi->reply->data) | |
982697a4 | 889 | || type != OFPTYPE_FEATURES_REPLY) { |
5f4c5ff1 BP |
890 | ovs_fatal(0, "%s: received bad features reply", |
891 | vconn_get_name(pi->vconn)); | |
0df0e81d | 892 | } |
5f4c5ff1 | 893 | if (!ofputil_switch_features_has_ports(pi->reply)) { |
fca6d553 BP |
894 | /* The switch features reply does not contain a complete list of ports. |
895 | * Probably, there are more ports than will fit into a single 64 kB | |
896 | * OpenFlow message. Use OFPST_PORT_DESC to get a complete list of | |
897 | * ports. */ | |
5f4c5ff1 BP |
898 | ofpbuf_delete(pi->reply); |
899 | pi->reply = NULL; | |
900 | port_iterator_fetch_port_desc(pi); | |
901 | return; | |
da91750f JP |
902 | } |
903 | ||
5f4c5ff1 | 904 | struct ofputil_switch_features features; |
667bb1fb | 905 | enum ofperr error = ofputil_pull_switch_features(pi->reply, &features); |
9e1fd49b BP |
906 | if (error) { |
907 | ovs_fatal(0, "%s: failed to decode features reply (%s)", | |
5f4c5ff1 | 908 | vconn_get_name(pi->vconn), ofperr_to_string(error)); |
9e1fd49b | 909 | } |
5f4c5ff1 | 910 | } |
0df0e81d | 911 | |
5f4c5ff1 BP |
912 | /* Initializes 'pi' to prepare for iterating through all of the ports on the |
913 | * OpenFlow switch to which 'vconn' is connected. | |
914 | * | |
915 | * During iteration, the client should not make other use of 'vconn', because | |
916 | * that can cause other messages to be interleaved with the replies used by the | |
917 | * iterator and thus some ports may be missed or a hang can occur. */ | |
918 | static void | |
919 | port_iterator_init(struct port_iterator *pi, struct vconn *vconn) | |
920 | { | |
921 | memset(pi, 0, sizeof *pi); | |
922 | pi->vconn = vconn; | |
923 | if (vconn_get_version(vconn) < OFP13_VERSION) { | |
924 | port_iterator_fetch_features(pi); | |
925 | } else { | |
926 | port_iterator_fetch_port_desc(pi); | |
abaad8cf | 927 | } |
da91750f JP |
928 | } |
929 | ||
5f4c5ff1 BP |
930 | /* Obtains the next port from 'pi'. On success, initializes '*pp' with the |
931 | * port's details and returns true, otherwise (if all the ports have already | |
932 | * been seen), returns false. */ | |
da91750f | 933 | static bool |
5f4c5ff1 | 934 | port_iterator_next(struct port_iterator *pi, struct ofputil_phy_port *pp) |
da91750f | 935 | { |
5f4c5ff1 BP |
936 | for (;;) { |
937 | if (pi->reply) { | |
938 | int retval = ofputil_pull_phy_port(vconn_get_version(pi->vconn), | |
939 | pi->reply, pp); | |
940 | if (!retval) { | |
941 | return true; | |
942 | } else if (retval != EOF) { | |
da91750f | 943 | ovs_fatal(0, "received bad reply: %s", |
5f4c5ff1 | 944 | ofp_to_string(pi->reply->data, pi->reply->size, |
da91750f JP |
945 | verbosity + 1)); |
946 | } | |
5f4c5ff1 | 947 | } |
da91750f | 948 | |
5f4c5ff1 BP |
949 | if (pi->variant == PI_FEATURES || !pi->more) { |
950 | return false; | |
951 | } | |
da91750f | 952 | |
5f4c5ff1 BP |
953 | ovs_be32 recv_xid; |
954 | do { | |
955 | ofpbuf_delete(pi->reply); | |
956 | run(vconn_recv_block(pi->vconn, &pi->reply), | |
957 | "OpenFlow receive failed"); | |
958 | recv_xid = ((struct ofp_header *) pi->reply->data)->xid; | |
959 | } while (pi->send_xid != recv_xid); | |
960 | ||
961 | struct ofp_header *oh = pi->reply->data; | |
962 | enum ofptype type; | |
963 | if (ofptype_pull(&type, pi->reply) | |
964 | || type != OFPTYPE_PORT_DESC_STATS_REPLY) { | |
965 | ovs_fatal(0, "received bad reply: %s", | |
966 | ofp_to_string(pi->reply->data, pi->reply->size, | |
967 | verbosity + 1)); | |
da91750f | 968 | } |
da91750f | 969 | |
5f4c5ff1 BP |
970 | pi->more = (ofpmp_flags(oh) & OFPSF_REPLY_MORE) != 0; |
971 | } | |
da91750f JP |
972 | } |
973 | ||
5f4c5ff1 BP |
974 | /* Destroys iterator 'pi'. */ |
975 | static void | |
976 | port_iterator_destroy(struct port_iterator *pi) | |
4e022ec0 | 977 | { |
5f4c5ff1 BP |
978 | if (pi) { |
979 | while (pi->variant == PI_PORT_DESC && pi->more) { | |
980 | /* Drain vconn's queue of any other replies for this request. */ | |
981 | struct ofputil_phy_port pp; | |
982 | port_iterator_next(pi, &pp); | |
983 | } | |
4e022ec0 | 984 | |
5f4c5ff1 BP |
985 | ofpbuf_delete(pi->reply); |
986 | } | |
4e022ec0 | 987 | } |
da91750f JP |
988 | |
989 | /* Opens a connection to 'vconn_name', fetches the port structure for | |
990 | * 'port_name' (which may be a port name or number), and copies it into | |
991 | * '*pp'. */ | |
992 | static void | |
993 | fetch_ofputil_phy_port(const char *vconn_name, const char *port_name, | |
994 | struct ofputil_phy_port *pp) | |
995 | { | |
fca6d553 | 996 | struct vconn *vconn; |
4e022ec0 | 997 | ofp_port_t port_no; |
5f4c5ff1 | 998 | bool found = false; |
da91750f JP |
999 | |
1000 | /* Try to interpret the argument as a port number. */ | |
4e022ec0 AW |
1001 | if (!str_to_ofp(port_name, &port_no)) { |
1002 | port_no = OFPP_NONE; | |
da91750f JP |
1003 | } |
1004 | ||
fca6d553 BP |
1005 | /* OpenFlow 1.0, 1.1, and 1.2 put the list of ports in the |
1006 | * OFPT_FEATURES_REPLY message. OpenFlow 1.3 and later versions put it | |
1007 | * into the OFPST_PORT_DESC reply. Try it the correct way. */ | |
1008 | open_vconn(vconn_name, &vconn); | |
5f4c5ff1 BP |
1009 | struct port_iterator pi; |
1010 | for (port_iterator_init(&pi, vconn); port_iterator_next(&pi, pp); ) { | |
1011 | if (port_no != OFPP_NONE | |
1012 | ? port_no == pp->port_no | |
1013 | : !strcmp(pp->name, port_name)) { | |
1014 | found = true; | |
1015 | break; | |
1016 | } | |
1017 | } | |
1018 | port_iterator_destroy(&pi); | |
fca6d553 | 1019 | vconn_close(vconn); |
da91750f JP |
1020 | |
1021 | if (!found) { | |
1022 | ovs_fatal(0, "%s: couldn't find port `%s'", vconn_name, port_name); | |
1023 | } | |
0df0e81d | 1024 | } |
abaad8cf | 1025 | |
0df0e81d BP |
1026 | /* Returns the port number corresponding to 'port_name' (which may be a port |
1027 | * name or number) within the switch 'vconn_name'. */ | |
4e022ec0 | 1028 | static ofp_port_t |
0df0e81d BP |
1029 | str_to_port_no(const char *vconn_name, const char *port_name) |
1030 | { | |
4e022ec0 | 1031 | ofp_port_t port_no; |
8010100b BP |
1032 | |
1033 | if (ofputil_port_from_string(port_name, &port_no)) { | |
0df0e81d BP |
1034 | return port_no; |
1035 | } else { | |
9e1fd49b | 1036 | struct ofputil_phy_port pp; |
abaad8cf | 1037 | |
9e1fd49b BP |
1038 | fetch_ofputil_phy_port(vconn_name, port_name, &pp); |
1039 | return pp.port_no; | |
0df0e81d | 1040 | } |
abaad8cf JP |
1041 | } |
1042 | ||
88ca35ee | 1043 | static bool |
27527aa0 BP |
1044 | try_set_protocol(struct vconn *vconn, enum ofputil_protocol want, |
1045 | enum ofputil_protocol *cur) | |
88ca35ee | 1046 | { |
27527aa0 BP |
1047 | for (;;) { |
1048 | struct ofpbuf *request, *reply; | |
1049 | enum ofputil_protocol next; | |
88ca35ee | 1050 | |
27527aa0 BP |
1051 | request = ofputil_encode_set_protocol(*cur, want, &next); |
1052 | if (!request) { | |
e43928f2 | 1053 | return *cur == want; |
27527aa0 BP |
1054 | } |
1055 | ||
1056 | run(vconn_transact_noreply(vconn, request, &reply), | |
1057 | "talking to %s", vconn_get_name(vconn)); | |
1058 | if (reply) { | |
6fd6ed71 | 1059 | char *s = ofp_to_string(reply->data, reply->size, 2); |
27527aa0 BP |
1060 | VLOG_DBG("%s: failed to set protocol, switch replied: %s", |
1061 | vconn_get_name(vconn), s); | |
1062 | free(s); | |
1063 | ofpbuf_delete(reply); | |
1064 | return false; | |
1065 | } | |
1066 | ||
1067 | *cur = next; | |
88ca35ee | 1068 | } |
88ca35ee BP |
1069 | } |
1070 | ||
27527aa0 BP |
1071 | static enum ofputil_protocol |
1072 | set_protocol_for_flow_dump(struct vconn *vconn, | |
1073 | enum ofputil_protocol cur_protocol, | |
1074 | enum ofputil_protocol usable_protocols) | |
064af421 | 1075 | { |
27527aa0 BP |
1076 | char *usable_s; |
1077 | int i; | |
064af421 | 1078 | |
27527aa0 BP |
1079 | for (i = 0; i < ofputil_n_flow_dump_protocols; i++) { |
1080 | enum ofputil_protocol f = ofputil_flow_dump_protocols[i]; | |
1081 | if (f & usable_protocols & allowed_protocols | |
1082 | && try_set_protocol(vconn, f, &cur_protocol)) { | |
1083 | return f; | |
f9cbfbe4 | 1084 | } |
27527aa0 | 1085 | } |
f9cbfbe4 | 1086 | |
27527aa0 BP |
1087 | usable_s = ofputil_protocols_to_string(usable_protocols); |
1088 | if (usable_protocols & allowed_protocols) { | |
1089 | ovs_fatal(0, "switch does not support any of the usable flow " | |
1090 | "formats (%s)", usable_s); | |
f9cbfbe4 | 1091 | } else { |
27527aa0 BP |
1092 | char *allowed_s = ofputil_protocols_to_string(allowed_protocols); |
1093 | ovs_fatal(0, "none of the usable flow formats (%s) is among the " | |
1094 | "allowed flow formats (%s)", usable_s, allowed_s); | |
88ca35ee | 1095 | } |
064af421 BP |
1096 | } |
1097 | ||
bdcc5925 BP |
1098 | static struct vconn * |
1099 | prepare_dump_flows(int argc, char *argv[], bool aggregate, | |
1100 | struct ofpbuf **requestp) | |
064af421 | 1101 | { |
27527aa0 | 1102 | enum ofputil_protocol usable_protocols, protocol; |
81d1ea94 | 1103 | struct ofputil_flow_stats_request fsr; |
88ca35ee | 1104 | struct vconn *vconn; |
bdda5aca BP |
1105 | char *error; |
1106 | ||
1107 | error = parse_ofp_flow_stats_request_str(&fsr, aggregate, | |
db0b6c29 | 1108 | argc > 2 ? argv[2] : "", |
ba2fe8e9 | 1109 | &usable_protocols); |
bdda5aca BP |
1110 | if (error) { |
1111 | ovs_fatal(0, "%s", error); | |
1112 | } | |
064af421 | 1113 | |
27527aa0 BP |
1114 | protocol = open_vconn(argv[1], &vconn); |
1115 | protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols); | |
bdcc5925 BP |
1116 | *requestp = ofputil_encode_flow_stats_request(&fsr, protocol); |
1117 | return vconn; | |
1118 | } | |
1119 | ||
1120 | static void | |
1121 | ofctl_dump_flows__(int argc, char *argv[], bool aggregate) | |
1122 | { | |
1123 | struct ofpbuf *request; | |
1124 | struct vconn *vconn; | |
1125 | ||
1126 | vconn = prepare_dump_flows(argc, argv, aggregate, &request); | |
182b2eef | 1127 | dump_transaction(vconn, request); |
88ca35ee BP |
1128 | vconn_close(vconn); |
1129 | } | |
1130 | ||
bdcc5925 BP |
1131 | static int |
1132 | compare_flows(const void *afs_, const void *bfs_) | |
1133 | { | |
1134 | const struct ofputil_flow_stats *afs = afs_; | |
1135 | const struct ofputil_flow_stats *bfs = bfs_; | |
81a76618 BP |
1136 | const struct match *a = &afs->match; |
1137 | const struct match *b = &bfs->match; | |
bdcc5925 BP |
1138 | const struct sort_criterion *sc; |
1139 | ||
1140 | for (sc = criteria; sc < &criteria[n_criteria]; sc++) { | |
1141 | const struct mf_field *f = sc->field; | |
1142 | int ret; | |
1143 | ||
1144 | if (!f) { | |
eb391b76 BP |
1145 | int a_pri = afs->priority; |
1146 | int b_pri = bfs->priority; | |
81a76618 | 1147 | ret = a_pri < b_pri ? -1 : a_pri > b_pri; |
bdcc5925 BP |
1148 | } else { |
1149 | bool ina, inb; | |
1150 | ||
1151 | ina = mf_are_prereqs_ok(f, &a->flow) && !mf_is_all_wild(f, &a->wc); | |
1152 | inb = mf_are_prereqs_ok(f, &b->flow) && !mf_is_all_wild(f, &b->wc); | |
1153 | if (ina != inb) { | |
1154 | /* Skip the test for sc->order, so that missing fields always | |
1155 | * sort to the end whether we're sorting in ascending or | |
1156 | * descending order. */ | |
1157 | return ina ? -1 : 1; | |
1158 | } else { | |
1159 | union mf_value aval, bval; | |
1160 | ||
1161 | mf_get_value(f, &a->flow, &aval); | |
1162 | mf_get_value(f, &b->flow, &bval); | |
1163 | ret = memcmp(&aval, &bval, f->n_bytes); | |
1164 | } | |
1165 | } | |
1166 | ||
1167 | if (ret) { | |
1168 | return sc->order == SORT_ASC ? ret : -ret; | |
1169 | } | |
1170 | } | |
1171 | ||
1172 | return 0; | |
1173 | } | |
1174 | ||
88ca35ee | 1175 | static void |
1636c761 | 1176 | ofctl_dump_flows(struct ovs_cmdl_context *ctx) |
88ca35ee | 1177 | { |
bdcc5925 | 1178 | if (!n_criteria) { |
1636c761 | 1179 | ofctl_dump_flows__(ctx->argc, ctx->argv, false); |
2f4aba0b | 1180 | return; |
bdcc5925 BP |
1181 | } else { |
1182 | struct ofputil_flow_stats *fses; | |
1183 | size_t n_fses, allocated_fses; | |
1184 | struct ofpbuf *request; | |
1185 | struct ofpbuf ofpacts; | |
1186 | struct ofpbuf *reply; | |
1187 | struct vconn *vconn; | |
1188 | ovs_be32 send_xid; | |
1189 | struct ds s; | |
1190 | size_t i; | |
1191 | ||
1636c761 | 1192 | vconn = prepare_dump_flows(ctx->argc, ctx->argv, false, &request); |
6fd6ed71 | 1193 | send_xid = ((struct ofp_header *) request->data)->xid; |
bdcc5925 BP |
1194 | send_openflow_buffer(vconn, request); |
1195 | ||
1196 | fses = NULL; | |
1197 | n_fses = allocated_fses = 0; | |
1198 | reply = NULL; | |
1199 | ofpbuf_init(&ofpacts, 0); | |
1200 | for (;;) { | |
1201 | struct ofputil_flow_stats *fs; | |
1202 | ||
1203 | if (n_fses >= allocated_fses) { | |
1204 | fses = x2nrealloc(fses, &allocated_fses, sizeof *fses); | |
1205 | } | |
1206 | ||
1207 | fs = &fses[n_fses]; | |
1208 | if (!recv_flow_stats_reply(vconn, send_xid, &reply, fs, | |
1209 | &ofpacts)) { | |
1210 | break; | |
1211 | } | |
1212 | fs->ofpacts = xmemdup(fs->ofpacts, fs->ofpacts_len); | |
1213 | n_fses++; | |
1214 | } | |
1215 | ofpbuf_uninit(&ofpacts); | |
1216 | ||
1217 | qsort(fses, n_fses, sizeof *fses, compare_flows); | |
1218 | ||
1219 | ds_init(&s); | |
1220 | for (i = 0; i < n_fses; i++) { | |
1221 | ds_clear(&s); | |
1222 | ofp_print_flow_stats(&s, &fses[i]); | |
1223 | puts(ds_cstr(&s)); | |
1224 | } | |
1225 | ds_destroy(&s); | |
1226 | ||
1227 | for (i = 0; i < n_fses; i++) { | |
dc723c44 | 1228 | free(CONST_CAST(struct ofpact *, fses[i].ofpacts)); |
bdcc5925 BP |
1229 | } |
1230 | free(fses); | |
1231 | ||
1232 | vconn_close(vconn); | |
1233 | } | |
88ca35ee BP |
1234 | } |
1235 | ||
1236 | static void | |
1636c761 | 1237 | ofctl_dump_aggregate(struct ovs_cmdl_context *ctx) |
88ca35ee | 1238 | { |
1636c761 | 1239 | ofctl_dump_flows__(ctx->argc, ctx->argv, true); |
064af421 BP |
1240 | } |
1241 | ||
d2805da2 | 1242 | static void |
1636c761 | 1243 | ofctl_queue_stats(struct ovs_cmdl_context *ctx) |
d2805da2 | 1244 | { |
d2805da2 | 1245 | struct ofpbuf *request; |
53514387 | 1246 | struct vconn *vconn; |
64626975 | 1247 | struct ofputil_queue_stats_request oqs; |
d2805da2 | 1248 | |
1636c761 | 1249 | open_vconn(ctx->argv[1], &vconn); |
d2805da2 | 1250 | |
1636c761 RB |
1251 | if (ctx->argc > 2 && ctx->argv[2][0] && strcasecmp(ctx->argv[2], "all")) { |
1252 | oqs.port_no = str_to_port_no(ctx->argv[1], ctx->argv[2]); | |
d2805da2 | 1253 | } else { |
7f05e7ab | 1254 | oqs.port_no = OFPP_ANY; |
d2805da2 | 1255 | } |
1636c761 RB |
1256 | if (ctx->argc > 3 && ctx->argv[3][0] && strcasecmp(ctx->argv[3], "all")) { |
1257 | oqs.queue_id = atoi(ctx->argv[3]); | |
d2805da2 | 1258 | } else { |
64626975 | 1259 | oqs.queue_id = OFPQ_ALL; |
d2805da2 BP |
1260 | } |
1261 | ||
64626975 | 1262 | request = ofputil_encode_queue_stats_request(vconn_get_version(vconn), &oqs); |
182b2eef | 1263 | dump_transaction(vconn, request); |
53514387 | 1264 | vconn_close(vconn); |
d2805da2 BP |
1265 | } |
1266 | ||
e8f9a7bb | 1267 | static void |
1636c761 | 1268 | ofctl_queue_get_config(struct ovs_cmdl_context *ctx) |
e8f9a7bb | 1269 | { |
1636c761 | 1270 | const char *vconn_name = ctx->argv[1]; |
e016fb63 BP |
1271 | const char *port_name = ctx->argc > 2 ? ctx->argv[2] : "any"; |
1272 | ofp_port_t port = str_to_port_no(vconn_name, port_name); | |
1273 | const char *queue_name = ctx->argc > 3 ? ctx->argv[3] : "all"; | |
1274 | uint32_t queue = (!strcasecmp(queue_name, "all") | |
1275 | ? OFPQ_ALL | |
1276 | : atoi(queue_name)); | |
56085be5 | 1277 | struct vconn *vconn; |
e016fb63 | 1278 | |
56085be5 BP |
1279 | enum ofputil_protocol protocol = open_vconn(vconn_name, &vconn); |
1280 | enum ofp_version version = ofputil_protocol_to_ofp_version(protocol); | |
1281 | if (port == OFPP_ANY && version == OFP10_VERSION) { | |
1282 | /* The user requested all queues on all ports. OpenFlow 1.0 only | |
1283 | * supports getting queues for an individual port, so to implement the | |
1284 | * user's request we have to get a list of all the ports. | |
1285 | * | |
1286 | * We use a second vconn to avoid having to accumulate a list of all of | |
1287 | * the ports. */ | |
1288 | struct vconn *vconn2; | |
1289 | enum ofputil_protocol protocol2 = open_vconn(vconn_name, &vconn2); | |
1290 | enum ofp_version version2 = ofputil_protocol_to_ofp_version(protocol2); | |
1291 | ||
1292 | struct port_iterator pi; | |
1293 | struct ofputil_phy_port pp; | |
1294 | for (port_iterator_init(&pi, vconn); port_iterator_next(&pi, &pp); ) { | |
1295 | if (ofp_to_u16(pp.port_no) < ofp_to_u16(OFPP_MAX)) { | |
1296 | dump_transaction(vconn2, | |
1297 | ofputil_encode_queue_get_config_request( | |
e016fb63 | 1298 | version2, pp.port_no, queue)); |
56085be5 BP |
1299 | } |
1300 | } | |
1301 | port_iterator_destroy(&pi); | |
1302 | vconn_close(vconn2); | |
1303 | } else { | |
1304 | dump_transaction(vconn, ofputil_encode_queue_get_config_request( | |
e016fb63 | 1305 | version, port, queue)); |
56085be5 | 1306 | } |
e8f9a7bb VG |
1307 | vconn_close(vconn); |
1308 | } | |
1309 | ||
27527aa0 | 1310 | static enum ofputil_protocol |
db0b6c29 JR |
1311 | open_vconn_for_flow_mod(const char *remote, struct vconn **vconnp, |
1312 | enum ofputil_protocol usable_protocols) | |
0fbc9f11 | 1313 | { |
27527aa0 BP |
1314 | enum ofputil_protocol cur_protocol; |
1315 | char *usable_s; | |
1316 | int i; | |
0fbc9f11 | 1317 | |
27527aa0 BP |
1318 | if (!(usable_protocols & allowed_protocols)) { |
1319 | char *allowed_s = ofputil_protocols_to_string(allowed_protocols); | |
1320 | usable_s = ofputil_protocols_to_string(usable_protocols); | |
1321 | ovs_fatal(0, "none of the usable flow formats (%s) is among the " | |
1322 | "allowed flow formats (%s)", usable_s, allowed_s); | |
0fbc9f11 | 1323 | } |
0fbc9f11 | 1324 | |
27527aa0 BP |
1325 | /* If the initial flow format is allowed and usable, keep it. */ |
1326 | cur_protocol = open_vconn(remote, vconnp); | |
1327 | if (usable_protocols & allowed_protocols & cur_protocol) { | |
1328 | return cur_protocol; | |
1329 | } | |
1330 | ||
1331 | /* Otherwise try each flow format in turn. */ | |
1332 | for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) { | |
1333 | enum ofputil_protocol f = 1 << i; | |
1334 | ||
1335 | if (f != cur_protocol | |
1336 | && f & usable_protocols & allowed_protocols | |
1337 | && try_set_protocol(*vconnp, f, &cur_protocol)) { | |
1338 | return f; | |
1339 | } | |
0fbc9f11 | 1340 | } |
27527aa0 BP |
1341 | |
1342 | usable_s = ofputil_protocols_to_string(usable_protocols); | |
1343 | ovs_fatal(0, "switch does not support any of the usable flow " | |
1344 | "formats (%s)", usable_s); | |
0fbc9f11 BP |
1345 | } |
1346 | ||
db5076ee JR |
1347 | static void |
1348 | bundle_flow_mod__(const char *remote, struct ofputil_flow_mod *fms, | |
1349 | size_t n_fms, enum ofputil_protocol usable_protocols) | |
1350 | { | |
1351 | enum ofputil_protocol protocol; | |
1352 | struct vconn *vconn; | |
1353 | struct ovs_list requests; | |
1354 | size_t i; | |
1355 | ||
417e7e66 | 1356 | ovs_list_init(&requests); |
db5076ee | 1357 | |
06d4d4b6 JR |
1358 | /* Bundles need OpenFlow 1.3+. */ |
1359 | usable_protocols &= OFPUTIL_P_OF13_UP; | |
db5076ee JR |
1360 | protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols); |
1361 | ||
1362 | for (i = 0; i < n_fms; i++) { | |
1363 | struct ofputil_flow_mod *fm = &fms[i]; | |
1364 | struct ofpbuf *request = ofputil_encode_flow_mod(fm, protocol); | |
1365 | ||
417e7e66 | 1366 | ovs_list_push_back(&requests, &request->list_node); |
db5076ee JR |
1367 | free(CONST_CAST(struct ofpact *, fm->ofpacts)); |
1368 | } | |
1369 | ||
39c94593 | 1370 | bundle_transact(vconn, &requests, OFPBF_ORDERED | OFPBF_ATOMIC); |
74cb32e3 | 1371 | ofpbuf_list_delete(&requests); |
db5076ee JR |
1372 | vconn_close(vconn); |
1373 | } | |
1374 | ||
064af421 | 1375 | static void |
e1fef0f9 | 1376 | ofctl_flow_mod__(const char *remote, struct ofputil_flow_mod *fms, |
db0b6c29 | 1377 | size_t n_fms, enum ofputil_protocol usable_protocols) |
064af421 | 1378 | { |
27527aa0 | 1379 | enum ofputil_protocol protocol; |
064af421 | 1380 | struct vconn *vconn; |
27527aa0 | 1381 | size_t i; |
4989c59f | 1382 | |
db5076ee JR |
1383 | if (bundle) { |
1384 | bundle_flow_mod__(remote, fms, n_fms, usable_protocols); | |
1385 | return; | |
1386 | } | |
1387 | ||
db0b6c29 | 1388 | protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols); |
049c8dc2 | 1389 | |
27527aa0 BP |
1390 | for (i = 0; i < n_fms; i++) { |
1391 | struct ofputil_flow_mod *fm = &fms[i]; | |
0fbc9f11 | 1392 | |
27527aa0 | 1393 | transact_noreply(vconn, ofputil_encode_flow_mod(fm, protocol)); |
dc723c44 | 1394 | free(CONST_CAST(struct ofpact *, fm->ofpacts)); |
4989c59f | 1395 | } |
064af421 | 1396 | vconn_close(vconn); |
88ca35ee BP |
1397 | } |
1398 | ||
064af421 | 1399 | static void |
db5076ee | 1400 | ofctl_flow_mod_file(int argc OVS_UNUSED, char *argv[], int command) |
064af421 | 1401 | { |
db0b6c29 | 1402 | enum ofputil_protocol usable_protocols; |
27527aa0 BP |
1403 | struct ofputil_flow_mod *fms = NULL; |
1404 | size_t n_fms = 0; | |
bdda5aca | 1405 | char *error; |
064af421 | 1406 | |
db5076ee JR |
1407 | if (command == OFPFC_ADD) { |
1408 | /* Allow the file to specify a mix of commands. If none specified at | |
1409 | * the beginning of any given line, then the default is OFPFC_ADD, so | |
1410 | * this is backwards compatible. */ | |
1411 | command = -2; | |
1412 | } | |
db0b6c29 | 1413 | error = parse_ofp_flow_mod_file(argv[2], command, &fms, &n_fms, |
ba2fe8e9 | 1414 | &usable_protocols); |
bdda5aca BP |
1415 | if (error) { |
1416 | ovs_fatal(0, "%s", error); | |
1417 | } | |
db0b6c29 | 1418 | ofctl_flow_mod__(argv[1], fms, n_fms, usable_protocols); |
27527aa0 BP |
1419 | free(fms); |
1420 | } | |
1421 | ||
1422 | static void | |
e1fef0f9 | 1423 | ofctl_flow_mod(int argc, char *argv[], uint16_t command) |
27527aa0 | 1424 | { |
4989c59f | 1425 | if (argc > 2 && !strcmp(argv[2], "-")) { |
e1fef0f9 | 1426 | ofctl_flow_mod_file(argc, argv, command); |
27527aa0 BP |
1427 | } else { |
1428 | struct ofputil_flow_mod fm; | |
bdda5aca | 1429 | char *error; |
3200ed58 | 1430 | enum ofputil_protocol usable_protocols; |
bdda5aca | 1431 | |
db0b6c29 | 1432 | error = parse_ofp_flow_mod_str(&fm, argc > 2 ? argv[2] : "", command, |
ba2fe8e9 | 1433 | &usable_protocols); |
bdda5aca BP |
1434 | if (error) { |
1435 | ovs_fatal(0, "%s", error); | |
1436 | } | |
db0b6c29 | 1437 | ofctl_flow_mod__(argv[1], &fm, 1, usable_protocols); |
064af421 | 1438 | } |
4989c59f | 1439 | } |
88ca35ee | 1440 | |
4989c59f | 1441 | static void |
1636c761 | 1442 | ofctl_add_flow(struct ovs_cmdl_context *ctx) |
4989c59f | 1443 | { |
1636c761 | 1444 | ofctl_flow_mod(ctx->argc, ctx->argv, OFPFC_ADD); |
4989c59f BP |
1445 | } |
1446 | ||
1447 | static void | |
1636c761 | 1448 | ofctl_add_flows(struct ovs_cmdl_context *ctx) |
4989c59f | 1449 | { |
1636c761 | 1450 | ofctl_flow_mod_file(ctx->argc, ctx->argv, OFPFC_ADD); |
064af421 BP |
1451 | } |
1452 | ||
1453 | static void | |
1636c761 | 1454 | ofctl_mod_flows(struct ovs_cmdl_context *ctx) |
064af421 | 1455 | { |
1636c761 | 1456 | ofctl_flow_mod(ctx->argc, ctx->argv, strict ? OFPFC_MODIFY_STRICT : OFPFC_MODIFY); |
064af421 BP |
1457 | } |
1458 | ||
88ca35ee | 1459 | static void |
1636c761 | 1460 | ofctl_del_flows(struct ovs_cmdl_context *ctx) |
064af421 | 1461 | { |
1636c761 | 1462 | ofctl_flow_mod(ctx->argc, ctx->argv, strict ? OFPFC_DELETE_STRICT : OFPFC_DELETE); |
064af421 BP |
1463 | } |
1464 | ||
6409e008 | 1465 | static bool |
54834960 | 1466 | set_packet_in_format(struct vconn *vconn, |
6409e008 BP |
1467 | enum nx_packet_in_format packet_in_format, |
1468 | bool must_succeed) | |
54834960 | 1469 | { |
3f4a1939 SH |
1470 | struct ofpbuf *spif; |
1471 | ||
1472 | spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn), | |
1473 | packet_in_format); | |
6409e008 BP |
1474 | if (must_succeed) { |
1475 | transact_noreply(vconn, spif); | |
1476 | } else { | |
1477 | struct ofpbuf *reply; | |
1478 | ||
1479 | run(vconn_transact_noreply(vconn, spif, &reply), | |
1480 | "talking to %s", vconn_get_name(vconn)); | |
1481 | if (reply) { | |
1482 | char *s = ofp_to_string(reply->data, reply->size, 2); | |
1483 | VLOG_DBG("%s: failed to set packet in format to nx_packet_in, " | |
1484 | "controller replied: %s.", | |
1485 | vconn_get_name(vconn), s); | |
1486 | free(s); | |
1487 | ofpbuf_delete(reply); | |
1488 | ||
1489 | return false; | |
1490 | } else { | |
1491 | VLOG_DBG("%s: using user-specified packet in format %s", | |
1492 | vconn_get_name(vconn), | |
1493 | ofputil_packet_in_format_to_string(packet_in_format)); | |
1494 | } | |
1495 | } | |
1496 | return true; | |
54834960 EJ |
1497 | } |
1498 | ||
f0fd1a17 PS |
1499 | static int |
1500 | monitor_set_invalid_ttl_to_controller(struct vconn *vconn) | |
1501 | { | |
ad99e2ed | 1502 | struct ofputil_switch_config config; |
f0fd1a17 PS |
1503 | |
1504 | fetch_switch_config(vconn, &config); | |
ad99e2ed BP |
1505 | if (!config.invalid_ttl_to_controller) { |
1506 | config.invalid_ttl_to_controller = 1; | |
f0fd1a17 PS |
1507 | set_switch_config(vconn, &config); |
1508 | ||
1509 | /* Then retrieve the configuration to see if it really took. OpenFlow | |
ad99e2ed BP |
1510 | * has ill-defined error reporting for bad flags, so this is about the |
1511 | * best we can do. */ | |
f0fd1a17 | 1512 | fetch_switch_config(vconn, &config); |
ad99e2ed | 1513 | if (!config.invalid_ttl_to_controller) { |
f0fd1a17 | 1514 | ovs_fatal(0, "setting invalid_ttl_to_controller failed (this " |
ad99e2ed | 1515 | "switch probably doesn't support this flag)"); |
f0fd1a17 PS |
1516 | } |
1517 | } | |
1518 | return 0; | |
1519 | } | |
1520 | ||
96761f58 BP |
1521 | /* Converts hex digits in 'hex' to an OpenFlow message in '*msgp'. The |
1522 | * caller must free '*msgp'. On success, returns NULL. On failure, returns | |
1523 | * an error message and stores NULL in '*msgp'. */ | |
1524 | static const char * | |
1525 | openflow_from_hex(const char *hex, struct ofpbuf **msgp) | |
1526 | { | |
1527 | struct ofp_header *oh; | |
1528 | struct ofpbuf *msg; | |
1529 | ||
1530 | msg = ofpbuf_new(strlen(hex) / 2); | |
1531 | *msgp = NULL; | |
1532 | ||
1533 | if (ofpbuf_put_hex(msg, hex, NULL)[0] != '\0') { | |
1534 | ofpbuf_delete(msg); | |
1535 | return "Trailing garbage in hex data"; | |
1536 | } | |
1537 | ||
6fd6ed71 | 1538 | if (msg->size < sizeof(struct ofp_header)) { |
96761f58 BP |
1539 | ofpbuf_delete(msg); |
1540 | return "Message too short for OpenFlow"; | |
1541 | } | |
1542 | ||
6fd6ed71 PS |
1543 | oh = msg->data; |
1544 | if (msg->size != ntohs(oh->length)) { | |
96761f58 BP |
1545 | ofpbuf_delete(msg); |
1546 | return "Message size does not match length in OpenFlow header"; | |
1547 | } | |
1548 | ||
1549 | *msgp = msg; | |
1550 | return NULL; | |
1551 | } | |
1552 | ||
1553 | static void | |
1554 | ofctl_send(struct unixctl_conn *conn, int argc, | |
1555 | const char *argv[], void *vconn_) | |
1556 | { | |
1557 | struct vconn *vconn = vconn_; | |
1558 | struct ds reply; | |
1559 | bool ok; | |
1560 | int i; | |
1561 | ||
1562 | ok = true; | |
1563 | ds_init(&reply); | |
1564 | for (i = 1; i < argc; i++) { | |
1565 | const char *error_msg; | |
1566 | struct ofpbuf *msg; | |
1567 | int error; | |
1568 | ||
1569 | error_msg = openflow_from_hex(argv[i], &msg); | |
1570 | if (error_msg) { | |
1571 | ds_put_format(&reply, "%s\n", error_msg); | |
1572 | ok = false; | |
1573 | continue; | |
1574 | } | |
1575 | ||
1576 | fprintf(stderr, "send: "); | |
6fd6ed71 | 1577 | ofp_print(stderr, msg->data, msg->size, verbosity); |
96761f58 BP |
1578 | |
1579 | error = vconn_send_block(vconn, msg); | |
1580 | if (error) { | |
1581 | ofpbuf_delete(msg); | |
10a89ef0 | 1582 | ds_put_format(&reply, "%s\n", ovs_strerror(error)); |
96761f58 BP |
1583 | ok = false; |
1584 | } else { | |
1585 | ds_put_cstr(&reply, "sent\n"); | |
1586 | } | |
1587 | } | |
bde9f75d EJ |
1588 | |
1589 | if (ok) { | |
1590 | unixctl_command_reply(conn, ds_cstr(&reply)); | |
1591 | } else { | |
1592 | unixctl_command_reply_error(conn, ds_cstr(&reply)); | |
1593 | } | |
96761f58 BP |
1594 | ds_destroy(&reply); |
1595 | } | |
1596 | ||
bb638b9a BP |
1597 | struct barrier_aux { |
1598 | struct vconn *vconn; /* OpenFlow connection for sending barrier. */ | |
1599 | struct unixctl_conn *conn; /* Connection waiting for barrier response. */ | |
1600 | }; | |
1601 | ||
1602 | static void | |
1603 | ofctl_barrier(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1604 | const char *argv[] OVS_UNUSED, void *aux_) | |
1605 | { | |
1606 | struct barrier_aux *aux = aux_; | |
1607 | struct ofpbuf *msg; | |
1608 | int error; | |
1609 | ||
1610 | if (aux->conn) { | |
bde9f75d | 1611 | unixctl_command_reply_error(conn, "already waiting for barrier reply"); |
bb638b9a BP |
1612 | return; |
1613 | } | |
1614 | ||
a0ae0b6e | 1615 | msg = ofputil_encode_barrier_request(vconn_get_version(aux->vconn)); |
bb638b9a BP |
1616 | error = vconn_send_block(aux->vconn, msg); |
1617 | if (error) { | |
1618 | ofpbuf_delete(msg); | |
10a89ef0 | 1619 | unixctl_command_reply_error(conn, ovs_strerror(error)); |
bb638b9a BP |
1620 | } else { |
1621 | aux->conn = conn; | |
1622 | } | |
1623 | } | |
1624 | ||
1e1d00a5 BP |
1625 | static void |
1626 | ofctl_set_output_file(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
1627 | const char *argv[], void *aux OVS_UNUSED) | |
1628 | { | |
1629 | int fd; | |
1630 | ||
1631 | fd = open(argv[1], O_CREAT | O_TRUNC | O_WRONLY, 0666); | |
1632 | if (fd < 0) { | |
10a89ef0 | 1633 | unixctl_command_reply_error(conn, ovs_strerror(errno)); |
1e1d00a5 BP |
1634 | return; |
1635 | } | |
1636 | ||
1637 | fflush(stderr); | |
1638 | dup2(fd, STDERR_FILENO); | |
1639 | close(fd); | |
bde9f75d | 1640 | unixctl_command_reply(conn, NULL); |
1e1d00a5 BP |
1641 | } |
1642 | ||
2b07c8b1 BP |
1643 | static void |
1644 | ofctl_block(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4f8f2439 | 1645 | const char *argv[] OVS_UNUSED, void *blocked_) |
2b07c8b1 | 1646 | { |
4f8f2439 | 1647 | bool *blocked = blocked_; |
2b07c8b1 | 1648 | |
4f8f2439 BP |
1649 | if (!*blocked) { |
1650 | *blocked = true; | |
1651 | unixctl_command_reply(conn, NULL); | |
1652 | } else { | |
2b07c8b1 | 1653 | unixctl_command_reply(conn, "already blocking"); |
2b07c8b1 BP |
1654 | } |
1655 | } | |
1656 | ||
1657 | static void | |
1658 | ofctl_unblock(struct unixctl_conn *conn, int argc OVS_UNUSED, | |
4f8f2439 | 1659 | const char *argv[] OVS_UNUSED, void *blocked_) |
2b07c8b1 | 1660 | { |
4f8f2439 | 1661 | bool *blocked = blocked_; |
2b07c8b1 | 1662 | |
4f8f2439 BP |
1663 | if (*blocked) { |
1664 | *blocked = false; | |
2b07c8b1 | 1665 | unixctl_command_reply(conn, NULL); |
4f8f2439 BP |
1666 | } else { |
1667 | unixctl_command_reply(conn, "already unblocked"); | |
2b07c8b1 BP |
1668 | } |
1669 | } | |
1670 | ||
05f453a8 BP |
1671 | /* Prints to stdout all of the messages received on 'vconn'. |
1672 | * | |
1673 | * Iff 'reply_to_echo_requests' is true, sends a reply to any echo request | |
77ab5fd2 BP |
1674 | * received on 'vconn'. |
1675 | * | |
1676 | * If 'resume_continuations' is true, sends an NXT_RESUME in reply to any | |
1677 | * NXT_PACKET_IN2 that includes a continuation. */ | |
064af421 | 1678 | static void |
77ab5fd2 BP |
1679 | monitor_vconn(struct vconn *vconn, bool reply_to_echo_requests, |
1680 | bool resume_continuations) | |
0caf6bde | 1681 | { |
bb638b9a | 1682 | struct barrier_aux barrier_aux = { vconn, NULL }; |
1eb85ef5 EJ |
1683 | struct unixctl_server *server; |
1684 | bool exiting = false; | |
4f8f2439 | 1685 | bool blocked = false; |
7d0c5973 | 1686 | int error; |
1eb85ef5 | 1687 | |
7d0c5973 | 1688 | daemon_save_fd(STDERR_FILENO); |
e91b927d | 1689 | daemonize_start(false); |
19945013 | 1690 | error = unixctl_server_create(unixctl_path, &server); |
1eb85ef5 EJ |
1691 | if (error) { |
1692 | ovs_fatal(error, "failed to create unixctl server"); | |
1693 | } | |
1694 | unixctl_command_register("exit", "", 0, 0, ofctl_exit, &exiting); | |
96761f58 BP |
1695 | unixctl_command_register("ofctl/send", "OFMSG...", 1, INT_MAX, |
1696 | ofctl_send, vconn); | |
bb638b9a BP |
1697 | unixctl_command_register("ofctl/barrier", "", 0, 0, |
1698 | ofctl_barrier, &barrier_aux); | |
1e1d00a5 BP |
1699 | unixctl_command_register("ofctl/set-output-file", "FILE", 1, 1, |
1700 | ofctl_set_output_file, NULL); | |
2b07c8b1 | 1701 | |
4f8f2439 BP |
1702 | unixctl_command_register("ofctl/block", "", 0, 0, ofctl_block, &blocked); |
1703 | unixctl_command_register("ofctl/unblock", "", 0, 0, ofctl_unblock, | |
1704 | &blocked); | |
2b07c8b1 | 1705 | |
1eb85ef5 EJ |
1706 | daemonize_complete(); |
1707 | ||
77ab5fd2 BP |
1708 | enum ofp_version version = vconn_get_version(vconn); |
1709 | enum ofputil_protocol protocol | |
1710 | = ofputil_protocol_from_ofp_version(version); | |
1711 | ||
0caf6bde BP |
1712 | for (;;) { |
1713 | struct ofpbuf *b; | |
1eb85ef5 EJ |
1714 | int retval; |
1715 | ||
1716 | unixctl_server_run(server); | |
982697a4 | 1717 | |
4f8f2439 | 1718 | while (!blocked) { |
982697a4 | 1719 | enum ofptype type; |
bb638b9a | 1720 | |
1eb85ef5 EJ |
1721 | retval = vconn_recv(vconn, &b); |
1722 | if (retval == EAGAIN) { | |
1723 | break; | |
1724 | } | |
1eb85ef5 | 1725 | run(retval, "vconn_recv"); |
31c6fcd7 | 1726 | |
0c9560b7 | 1727 | if (timestamp) { |
2b31d8e7 PI |
1728 | char *s = xastrftime_msec("%Y-%m-%d %H:%M:%S.###: ", |
1729 | time_wall_msec(), true); | |
0c9560b7 | 1730 | fputs(s, stderr); |
3e78870d | 1731 | free(s); |
0c9560b7 | 1732 | } |
31c6fcd7 | 1733 | |
6fd6ed71 PS |
1734 | ofptype_decode(&type, b->data); |
1735 | ofp_print(stderr, b->data, b->size, verbosity + 2); | |
eafa7af8 | 1736 | fflush(stderr); |
bb638b9a | 1737 | |
05f453a8 BP |
1738 | switch ((int) type) { |
1739 | case OFPTYPE_BARRIER_REPLY: | |
1740 | if (barrier_aux.conn) { | |
1741 | unixctl_command_reply(barrier_aux.conn, NULL); | |
1742 | barrier_aux.conn = NULL; | |
1743 | } | |
1744 | break; | |
1745 | ||
1746 | case OFPTYPE_ECHO_REQUEST: | |
1747 | if (reply_to_echo_requests) { | |
1748 | struct ofpbuf *reply; | |
1749 | ||
6fd6ed71 | 1750 | reply = make_echo_reply(b->data); |
05f453a8 BP |
1751 | retval = vconn_send_block(vconn, reply); |
1752 | if (retval) { | |
1753 | ovs_fatal(retval, "failed to send echo reply"); | |
1754 | } | |
1755 | } | |
1756 | break; | |
77ab5fd2 BP |
1757 | |
1758 | case OFPTYPE_PACKET_IN: | |
1759 | if (resume_continuations) { | |
1760 | struct ofputil_packet_in pin; | |
1761 | struct ofpbuf continuation; | |
1762 | ||
1763 | error = ofputil_decode_packet_in(b->data, true, &pin, | |
1764 | NULL, NULL, | |
1765 | &continuation); | |
1766 | if (error) { | |
1767 | fprintf(stderr, "decoding packet-in failed: %s", | |
1768 | ofperr_to_string(error)); | |
1769 | } else if (continuation.size) { | |
1770 | struct ofpbuf *reply; | |
1771 | ||
1772 | reply = ofputil_encode_resume(&pin, &continuation, | |
1773 | protocol); | |
1774 | ||
1775 | fprintf(stderr, "send: "); | |
1776 | ofp_print(stderr, reply->data, reply->size, | |
1777 | verbosity + 2); | |
1778 | fflush(stderr); | |
1779 | ||
1780 | retval = vconn_send_block(vconn, reply); | |
1781 | if (retval) { | |
1782 | ovs_fatal(retval, "failed to send NXT_RESUME"); | |
1783 | } | |
1784 | } | |
1785 | } | |
1786 | break; | |
bb638b9a | 1787 | } |
05f453a8 | 1788 | ofpbuf_delete(b); |
1eb85ef5 EJ |
1789 | } |
1790 | ||
1791 | if (exiting) { | |
1792 | break; | |
1793 | } | |
1794 | ||
1795 | vconn_run(vconn); | |
1796 | vconn_run_wait(vconn); | |
4f8f2439 BP |
1797 | if (!blocked) { |
1798 | vconn_recv_wait(vconn); | |
1799 | } | |
1eb85ef5 EJ |
1800 | unixctl_server_wait(server); |
1801 | poll_block(); | |
0caf6bde | 1802 | } |
828c72d0 BP |
1803 | vconn_close(vconn); |
1804 | unixctl_server_destroy(server); | |
0caf6bde BP |
1805 | } |
1806 | ||
1807 | static void | |
1636c761 | 1808 | ofctl_monitor(struct ovs_cmdl_context *ctx) |
064af421 BP |
1809 | { |
1810 | struct vconn *vconn; | |
2b07c8b1 | 1811 | int i; |
db0b6c29 | 1812 | enum ofputil_protocol usable_protocols; |
064af421 | 1813 | |
ad99e2ed BP |
1814 | /* If the user wants the invalid_ttl_to_controller feature, limit the |
1815 | * OpenFlow versions to those that support that feature. (Support in | |
1816 | * OpenFlow 1.0 is an Open vSwitch extension.) */ | |
1817 | for (i = 2; i < ctx->argc; i++) { | |
1818 | if (!strcmp(ctx->argv[i], "invalid_ttl")) { | |
1819 | uint32_t usable_versions = ((1u << OFP10_VERSION) | | |
1820 | (1u << OFP11_VERSION) | | |
1821 | (1u << OFP12_VERSION)); | |
1822 | uint32_t allowed_versions = get_allowed_ofp_versions(); | |
1823 | if (!(allowed_versions & usable_versions)) { | |
1824 | struct ds versions = DS_EMPTY_INITIALIZER; | |
1825 | ofputil_format_version_bitmap_names(&versions, | |
1826 | usable_versions); | |
1827 | ovs_fatal(0, "invalid_ttl requires one of the OpenFlow " | |
1828 | "versions %s but none is enabled (use -O)", | |
1829 | ds_cstr(&versions)); | |
1830 | } | |
1831 | mask_allowed_ofp_versions(usable_versions); | |
1832 | break; | |
1833 | } | |
1834 | } | |
1835 | ||
1636c761 | 1836 | open_vconn(ctx->argv[1], &vconn); |
77ab5fd2 | 1837 | bool resume_continuations = false; |
1636c761 RB |
1838 | for (i = 2; i < ctx->argc; i++) { |
1839 | const char *arg = ctx->argv[i]; | |
064af421 | 1840 | |
2b07c8b1 | 1841 | if (isdigit((unsigned char) *arg)) { |
ad99e2ed | 1842 | struct ofputil_switch_config config; |
2b07c8b1 BP |
1843 | |
1844 | fetch_switch_config(vconn, &config); | |
ad99e2ed | 1845 | config.miss_send_len = atoi(arg); |
2b07c8b1 BP |
1846 | set_switch_config(vconn, &config); |
1847 | } else if (!strcmp(arg, "invalid_ttl")) { | |
f0fd1a17 | 1848 | monitor_set_invalid_ttl_to_controller(vconn); |
2b07c8b1 BP |
1849 | } else if (!strncmp(arg, "watch:", 6)) { |
1850 | struct ofputil_flow_monitor_request fmr; | |
1851 | struct ofpbuf *msg; | |
bdda5aca | 1852 | char *error; |
2b07c8b1 | 1853 | |
db0b6c29 JR |
1854 | error = parse_flow_monitor_request(&fmr, arg + 6, |
1855 | &usable_protocols); | |
bdda5aca BP |
1856 | if (error) { |
1857 | ovs_fatal(0, "%s", error); | |
1858 | } | |
2b07c8b1 BP |
1859 | |
1860 | msg = ofpbuf_new(0); | |
1861 | ofputil_append_flow_monitor_request(&fmr, msg); | |
182b2eef | 1862 | dump_transaction(vconn, msg); |
eafa7af8 | 1863 | fflush(stdout); |
77ab5fd2 BP |
1864 | } else if (!strcmp(arg, "resume")) { |
1865 | /* This option is intentionally undocumented because it is meant | |
1866 | * only for testing. */ | |
1867 | resume_continuations = true; | |
1868 | ||
1869 | /* Set miss_send_len to ensure that we get packet-ins. */ | |
1870 | struct ofputil_switch_config config; | |
1871 | fetch_switch_config(vconn, &config); | |
1872 | config.miss_send_len = UINT16_MAX; | |
1873 | set_switch_config(vconn, &config); | |
2b07c8b1 BP |
1874 | } else { |
1875 | ovs_fatal(0, "%s: unsupported \"monitor\" argument", arg); | |
f0fd1a17 PS |
1876 | } |
1877 | } | |
2b07c8b1 | 1878 | |
ca8526e0 | 1879 | if (preferred_packet_in_format >= 0) { |
6409e008 BP |
1880 | /* A particular packet-in format was requested, so we must set it. */ |
1881 | set_packet_in_format(vconn, preferred_packet_in_format, true); | |
ca8526e0 | 1882 | } else { |
6409e008 BP |
1883 | /* Otherwise, we always prefer NXT_PACKET_IN2. */ |
1884 | if (!set_packet_in_format(vconn, NXPIF_NXT_PACKET_IN2, false)) { | |
1885 | /* We can't get NXT_PACKET_IN2. For OpenFlow 1.0 only, request | |
1886 | * NXT_PACKET_IN. (Before 2.6, Open vSwitch will accept a request | |
1887 | * for NXT_PACKET_IN with OF1.1+, but even after that it still | |
1888 | * sends packet-ins in the OpenFlow native format.) */ | |
1889 | if (vconn_get_version(vconn) == OFP10_VERSION) { | |
1890 | set_packet_in_format(vconn, NXPIF_NXT_PACKET_IN, false); | |
f02b12c4 | 1891 | } |
ca8526e0 BP |
1892 | } |
1893 | } | |
1894 | ||
77ab5fd2 | 1895 | monitor_vconn(vconn, true, resume_continuations); |
0caf6bde BP |
1896 | } |
1897 | ||
1898 | static void | |
1636c761 | 1899 | ofctl_snoop(struct ovs_cmdl_context *ctx) |
0caf6bde BP |
1900 | { |
1901 | struct vconn *vconn; | |
1902 | ||
1636c761 | 1903 | open_vconn__(ctx->argv[1], SNOOP, &vconn); |
77ab5fd2 | 1904 | monitor_vconn(vconn, false, false); |
064af421 BP |
1905 | } |
1906 | ||
1907 | static void | |
1636c761 | 1908 | ofctl_dump_ports(struct ovs_cmdl_context *ctx) |
064af421 | 1909 | { |
abaad8cf | 1910 | struct ofpbuf *request; |
53514387 | 1911 | struct vconn *vconn; |
4e022ec0 | 1912 | ofp_port_t port; |
abaad8cf | 1913 | |
1636c761 RB |
1914 | open_vconn(ctx->argv[1], &vconn); |
1915 | port = ctx->argc > 2 ? str_to_port_no(ctx->argv[1], ctx->argv[2]) : OFPP_ANY; | |
f8e4867e | 1916 | request = ofputil_encode_dump_ports_request(vconn_get_version(vconn), port); |
182b2eef | 1917 | dump_transaction(vconn, request); |
53514387 | 1918 | vconn_close(vconn); |
064af421 BP |
1919 | } |
1920 | ||
2be393ed | 1921 | static void |
1636c761 | 1922 | ofctl_dump_ports_desc(struct ovs_cmdl_context *ctx) |
2be393ed | 1923 | { |
70ae4f93 BP |
1924 | struct ofpbuf *request; |
1925 | struct vconn *vconn; | |
1926 | ofp_port_t port; | |
1927 | ||
1636c761 RB |
1928 | open_vconn(ctx->argv[1], &vconn); |
1929 | port = ctx->argc > 2 ? str_to_port_no(ctx->argv[1], ctx->argv[2]) : OFPP_ANY; | |
70ae4f93 BP |
1930 | request = ofputil_encode_port_desc_stats_request(vconn_get_version(vconn), |
1931 | port); | |
182b2eef | 1932 | dump_transaction(vconn, request); |
70ae4f93 | 1933 | vconn_close(vconn); |
2be393ed JP |
1934 | } |
1935 | ||
064af421 | 1936 | static void |
1636c761 | 1937 | ofctl_probe(struct ovs_cmdl_context *ctx) |
064af421 BP |
1938 | { |
1939 | struct ofpbuf *request; | |
1940 | struct vconn *vconn; | |
1941 | struct ofpbuf *reply; | |
1942 | ||
1636c761 | 1943 | open_vconn(ctx->argv[1], &vconn); |
1a126c0c | 1944 | request = make_echo_request(vconn_get_version(vconn)); |
1636c761 | 1945 | run(vconn_transact(vconn, request, &reply), "talking to %s", ctx->argv[1]); |
6fd6ed71 | 1946 | if (reply->size != sizeof(struct ofp_header)) { |
064af421 BP |
1947 | ovs_fatal(0, "reply does not match request"); |
1948 | } | |
1949 | ofpbuf_delete(reply); | |
1950 | vconn_close(vconn); | |
1951 | } | |
1952 | ||
0c3d5fc8 | 1953 | static void |
1636c761 | 1954 | ofctl_packet_out(struct ovs_cmdl_context *ctx) |
0c3d5fc8 | 1955 | { |
de0f3156 | 1956 | enum ofputil_protocol protocol; |
0c3d5fc8 | 1957 | struct ofputil_packet_out po; |
f25d0cf3 | 1958 | struct ofpbuf ofpacts; |
0c3d5fc8 | 1959 | struct vconn *vconn; |
bdda5aca | 1960 | char *error; |
0c3d5fc8 | 1961 | int i; |
b420c0cf | 1962 | enum ofputil_protocol usable_protocols; /* XXX: Use in proto selection */ |
0c3d5fc8 | 1963 | |
f25d0cf3 | 1964 | ofpbuf_init(&ofpacts, 64); |
1636c761 | 1965 | error = ofpacts_parse_actions(ctx->argv[3], &ofpacts, &usable_protocols); |
bdda5aca BP |
1966 | if (error) { |
1967 | ovs_fatal(0, "%s", error); | |
1968 | } | |
0c3d5fc8 BP |
1969 | |
1970 | po.buffer_id = UINT32_MAX; | |
1636c761 | 1971 | po.in_port = str_to_port_no(ctx->argv[1], ctx->argv[2]); |
6fd6ed71 PS |
1972 | po.ofpacts = ofpacts.data; |
1973 | po.ofpacts_len = ofpacts.size; | |
0c3d5fc8 | 1974 | |
1636c761 RB |
1975 | protocol = open_vconn(ctx->argv[1], &vconn); |
1976 | for (i = 4; i < ctx->argc; i++) { | |
cf62fa4c PS |
1977 | struct dp_packet *packet; |
1978 | struct ofpbuf *opo; | |
0c3d5fc8 BP |
1979 | const char *error_msg; |
1980 | ||
1636c761 | 1981 | error_msg = eth_from_hex(ctx->argv[i], &packet); |
0c3d5fc8 BP |
1982 | if (error_msg) { |
1983 | ovs_fatal(0, "%s", error_msg); | |
1984 | } | |
1985 | ||
cf62fa4c PS |
1986 | po.packet = dp_packet_data(packet); |
1987 | po.packet_len = dp_packet_size(packet); | |
de0f3156 | 1988 | opo = ofputil_encode_packet_out(&po, protocol); |
0c3d5fc8 | 1989 | transact_noreply(vconn, opo); |
cf62fa4c | 1990 | dp_packet_delete(packet); |
0c3d5fc8 BP |
1991 | } |
1992 | vconn_close(vconn); | |
f25d0cf3 | 1993 | ofpbuf_uninit(&ofpacts); |
0c3d5fc8 BP |
1994 | } |
1995 | ||
064af421 | 1996 | static void |
1636c761 | 1997 | ofctl_mod_port(struct ovs_cmdl_context *ctx) |
064af421 | 1998 | { |
28124950 BP |
1999 | struct ofp_config_flag { |
2000 | const char *name; /* The flag's name. */ | |
2001 | enum ofputil_port_config bit; /* Bit to turn on or off. */ | |
2002 | bool on; /* Value to set the bit to. */ | |
2003 | }; | |
2004 | static const struct ofp_config_flag flags[] = { | |
2005 | { "up", OFPUTIL_PC_PORT_DOWN, false }, | |
2006 | { "down", OFPUTIL_PC_PORT_DOWN, true }, | |
2007 | { "stp", OFPUTIL_PC_NO_STP, false }, | |
2008 | { "receive", OFPUTIL_PC_NO_RECV, false }, | |
2009 | { "receive-stp", OFPUTIL_PC_NO_RECV_STP, false }, | |
2010 | { "flood", OFPUTIL_PC_NO_FLOOD, false }, | |
2011 | { "forward", OFPUTIL_PC_NO_FWD, false }, | |
2012 | { "packet-in", OFPUTIL_PC_NO_PACKET_IN, false }, | |
2013 | }; | |
2014 | ||
2015 | const struct ofp_config_flag *flag; | |
9e1fd49b BP |
2016 | enum ofputil_protocol protocol; |
2017 | struct ofputil_port_mod pm; | |
2018 | struct ofputil_phy_port pp; | |
064af421 | 2019 | struct vconn *vconn; |
28124950 BP |
2020 | const char *command; |
2021 | bool not; | |
064af421 | 2022 | |
1636c761 | 2023 | fetch_ofputil_phy_port(ctx->argv[1], ctx->argv[2], &pp); |
064af421 | 2024 | |
9e1fd49b | 2025 | pm.port_no = pp.port_no; |
74ff3298 | 2026 | pm.hw_addr = pp.hw_addr; |
9e1fd49b BP |
2027 | pm.config = 0; |
2028 | pm.mask = 0; | |
2029 | pm.advertise = 0; | |
064af421 | 2030 | |
1636c761 RB |
2031 | if (!strncasecmp(ctx->argv[3], "no-", 3)) { |
2032 | command = ctx->argv[3] + 3; | |
28124950 | 2033 | not = true; |
1636c761 RB |
2034 | } else if (!strncasecmp(ctx->argv[3], "no", 2)) { |
2035 | command = ctx->argv[3] + 2; | |
28124950 | 2036 | not = true; |
064af421 | 2037 | } else { |
1636c761 | 2038 | command = ctx->argv[3]; |
28124950 BP |
2039 | not = false; |
2040 | } | |
2041 | for (flag = flags; flag < &flags[ARRAY_SIZE(flags)]; flag++) { | |
2042 | if (!strcasecmp(command, flag->name)) { | |
2043 | pm.mask = flag->bit; | |
2044 | pm.config = flag->on ^ not ? flag->bit : 0; | |
2045 | goto found; | |
2046 | } | |
064af421 | 2047 | } |
1636c761 | 2048 | ovs_fatal(0, "unknown mod-port command '%s'", ctx->argv[3]); |
064af421 | 2049 | |
28124950 | 2050 | found: |
1636c761 | 2051 | protocol = open_vconn(ctx->argv[1], &vconn); |
9e1fd49b | 2052 | transact_noreply(vconn, ofputil_encode_port_mod(&pm, protocol)); |
064af421 BP |
2053 | vconn_close(vconn); |
2054 | } | |
2055 | ||
de7d3c07 SJ |
2056 | /* This function uses OFPMP14_TABLE_DESC request to get the current |
2057 | * table configuration from switch. The function then modifies | |
2058 | * only that table-config property, which has been requested. */ | |
2059 | static void | |
2060 | fetch_table_desc(struct vconn *vconn, struct ofputil_table_mod *tm, | |
2061 | struct ofputil_table_desc *td) | |
2062 | { | |
2063 | struct ofpbuf *request; | |
2064 | ovs_be32 send_xid; | |
2065 | bool done = false; | |
2066 | bool found = false; | |
2067 | ||
2068 | request = ofputil_encode_table_desc_request(vconn_get_version(vconn)); | |
2069 | send_xid = ((struct ofp_header *) request->data)->xid; | |
2070 | send_openflow_buffer(vconn, request); | |
2071 | while (!done) { | |
2072 | ovs_be32 recv_xid; | |
2073 | struct ofpbuf *reply; | |
2074 | ||
2075 | run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed"); | |
2076 | recv_xid = ((struct ofp_header *) reply->data)->xid; | |
2077 | if (send_xid == recv_xid) { | |
2078 | struct ofp_header *oh = reply->data; | |
0a2869d5 | 2079 | struct ofpbuf b = ofpbuf_const_initializer(oh, ntohs(oh->length)); |
de7d3c07 | 2080 | |
0a2869d5 | 2081 | enum ofptype type; |
de7d3c07 SJ |
2082 | if (ofptype_pull(&type, &b) |
2083 | || type != OFPTYPE_TABLE_DESC_REPLY) { | |
2084 | ovs_fatal(0, "received bad reply: %s", | |
2085 | ofp_to_string(reply->data, reply->size, | |
2086 | verbosity + 1)); | |
2087 | } | |
0a2869d5 | 2088 | uint16_t flags = ofpmp_flags(oh); |
de7d3c07 SJ |
2089 | done = !(flags & OFPSF_REPLY_MORE); |
2090 | if (found) { | |
2091 | /* We've already found the table desc consisting of current | |
2092 | * table configuration, but we need to drain the queue of | |
2093 | * any other replies for this request. */ | |
2094 | continue; | |
2095 | } | |
2096 | while (!ofputil_decode_table_desc(&b, td, oh->version)) { | |
2097 | if (td->table_id == tm->table_id) { | |
2098 | found = true; | |
2099 | break; | |
2100 | } | |
2101 | } | |
2102 | } else { | |
2103 | VLOG_DBG("received reply with xid %08"PRIx32" " | |
2104 | "!= expected %08"PRIx32, recv_xid, send_xid); | |
2105 | } | |
2106 | ofpbuf_delete(reply); | |
2107 | } | |
2108 | if (tm->eviction != OFPUTIL_TABLE_EVICTION_DEFAULT) { | |
2109 | tm->vacancy = td->vacancy; | |
2110 | tm->table_vacancy.vacancy_down = td->table_vacancy.vacancy_down; | |
2111 | tm->table_vacancy.vacancy_up = td->table_vacancy.vacancy_up; | |
2112 | } else if (tm->vacancy != OFPUTIL_TABLE_VACANCY_DEFAULT) { | |
2113 | tm->eviction = td->eviction; | |
2114 | tm->eviction_flags = td->eviction_flags; | |
2115 | } | |
2116 | } | |
2117 | ||
918f2b82 | 2118 | static void |
1636c761 | 2119 | ofctl_mod_table(struct ovs_cmdl_context *ctx) |
918f2b82 | 2120 | { |
82c22d34 | 2121 | uint32_t usable_versions; |
918f2b82 AZ |
2122 | struct ofputil_table_mod tm; |
2123 | struct vconn *vconn; | |
2124 | char *error; | |
de7d3c07 | 2125 | int i; |
918f2b82 | 2126 | |
82c22d34 BP |
2127 | error = parse_ofp_table_mod(&tm, ctx->argv[2], ctx->argv[3], |
2128 | &usable_versions); | |
918f2b82 AZ |
2129 | if (error) { |
2130 | ovs_fatal(0, "%s", error); | |
2131 | } | |
2132 | ||
82c22d34 BP |
2133 | uint32_t allowed_versions = get_allowed_ofp_versions(); |
2134 | if (!(allowed_versions & usable_versions)) { | |
2135 | struct ds versions = DS_EMPTY_INITIALIZER; | |
de7d3c07 | 2136 | ofputil_format_version_bitmap_names(&versions, usable_versions); |
82c22d34 | 2137 | ovs_fatal(0, "table_mod '%s' requires one of the OpenFlow " |
de7d3c07 | 2138 | "versions %s", |
82c22d34 | 2139 | ctx->argv[3], ds_cstr(&versions)); |
918f2b82 | 2140 | } |
82c22d34 | 2141 | mask_allowed_ofp_versions(usable_versions); |
82c22d34 | 2142 | enum ofputil_protocol protocol = open_vconn(ctx->argv[1], &vconn); |
de7d3c07 SJ |
2143 | |
2144 | /* For OpenFlow 1.4+, ovs-ofctl mod-table should not affect table-config | |
2145 | * properties that the user didn't ask to change, so it is necessary to | |
2146 | * restore the current configuration of table-config parameters using | |
2147 | * OFPMP14_TABLE_DESC request. */ | |
2148 | if ((allowed_versions & (1u << OFP14_VERSION)) || | |
2149 | (allowed_versions & (1u << OFP15_VERSION))) { | |
2150 | struct ofputil_table_desc td; | |
2151 | ||
2152 | if (tm.table_id == OFPTT_ALL) { | |
2153 | for (i = 0; i < OFPTT_MAX; i++) { | |
2154 | tm.table_id = i; | |
2155 | fetch_table_desc(vconn, &tm, &td); | |
2156 | transact_noreply(vconn, | |
2157 | ofputil_encode_table_mod(&tm, protocol)); | |
2158 | } | |
2159 | } else { | |
2160 | fetch_table_desc(vconn, &tm, &td); | |
2161 | transact_noreply(vconn, ofputil_encode_table_mod(&tm, protocol)); | |
2162 | } | |
2163 | } else { | |
2164 | transact_noreply(vconn, ofputil_encode_table_mod(&tm, protocol)); | |
2165 | } | |
918f2b82 AZ |
2166 | vconn_close(vconn); |
2167 | } | |
2168 | ||
7257b535 | 2169 | static void |
1636c761 | 2170 | ofctl_get_frags(struct ovs_cmdl_context *ctx) |
7257b535 | 2171 | { |
ad99e2ed | 2172 | struct ofputil_switch_config config; |
7257b535 BP |
2173 | struct vconn *vconn; |
2174 | ||
1636c761 | 2175 | open_vconn(ctx->argv[1], &vconn); |
7257b535 | 2176 | fetch_switch_config(vconn, &config); |
ad99e2ed | 2177 | puts(ofputil_frag_handling_to_string(config.frag)); |
7257b535 BP |
2178 | vconn_close(vconn); |
2179 | } | |
2180 | ||
2181 | static void | |
1636c761 | 2182 | ofctl_set_frags(struct ovs_cmdl_context *ctx) |
7257b535 | 2183 | { |
ad99e2ed BP |
2184 | struct ofputil_switch_config config; |
2185 | enum ofputil_frag_handling frag; | |
7257b535 | 2186 | struct vconn *vconn; |
7257b535 | 2187 | |
ad99e2ed | 2188 | if (!ofputil_frag_handling_from_string(ctx->argv[2], &frag)) { |
1636c761 | 2189 | ovs_fatal(0, "%s: unknown fragment handling mode", ctx->argv[2]); |
7257b535 BP |
2190 | } |
2191 | ||
1636c761 | 2192 | open_vconn(ctx->argv[1], &vconn); |
7257b535 | 2193 | fetch_switch_config(vconn, &config); |
ad99e2ed | 2194 | if (frag != config.frag) { |
7257b535 | 2195 | /* Set the configuration. */ |
ad99e2ed | 2196 | config.frag = frag; |
7257b535 BP |
2197 | set_switch_config(vconn, &config); |
2198 | ||
2199 | /* Then retrieve the configuration to see if it really took. OpenFlow | |
ad99e2ed BP |
2200 | * has ill-defined error reporting for bad flags, so this is about the |
2201 | * best we can do. */ | |
7257b535 | 2202 | fetch_switch_config(vconn, &config); |
ad99e2ed | 2203 | if (frag != config.frag) { |
7257b535 BP |
2204 | ovs_fatal(0, "%s: setting fragment handling mode failed (this " |
2205 | "switch probably doesn't support mode \"%s\")", | |
ad99e2ed | 2206 | ctx->argv[1], ofputil_frag_handling_to_string(frag)); |
7257b535 BP |
2207 | } |
2208 | } | |
2209 | vconn_close(vconn); | |
2210 | } | |
2211 | ||
1ac0e975 | 2212 | static void |
1636c761 | 2213 | ofctl_ofp_parse(struct ovs_cmdl_context *ctx) |
1ac0e975 | 2214 | { |
1636c761 | 2215 | const char *filename = ctx->argv[1]; |
1ac0e975 BP |
2216 | struct ofpbuf b; |
2217 | FILE *file; | |
2218 | ||
2219 | file = !strcmp(filename, "-") ? stdin : fopen(filename, "r"); | |
2220 | if (file == NULL) { | |
2221 | ovs_fatal(errno, "%s: open", filename); | |
2222 | } | |
2223 | ||
2224 | ofpbuf_init(&b, 65536); | |
2225 | for (;;) { | |
2226 | struct ofp_header *oh; | |
2227 | size_t length, tail_len; | |
2228 | void *tail; | |
2229 | size_t n; | |
2230 | ||
2231 | ofpbuf_clear(&b); | |
2232 | oh = ofpbuf_put_uninit(&b, sizeof *oh); | |
2233 | n = fread(oh, 1, sizeof *oh, file); | |
2234 | if (n == 0) { | |
2235 | break; | |
2236 | } else if (n < sizeof *oh) { | |
2237 | ovs_fatal(0, "%s: unexpected end of file mid-message", filename); | |
2238 | } | |
2239 | ||
2240 | length = ntohs(oh->length); | |
2241 | if (length < sizeof *oh) { | |
34582733 | 2242 | ovs_fatal(0, "%s: %"PRIuSIZE"-byte message is too short for OpenFlow", |
1ac0e975 BP |
2243 | filename, length); |
2244 | } | |
2245 | ||
2246 | tail_len = length - sizeof *oh; | |
2247 | tail = ofpbuf_put_uninit(&b, tail_len); | |
2248 | n = fread(tail, 1, tail_len, file); | |
2249 | if (n < tail_len) { | |
2250 | ovs_fatal(0, "%s: unexpected end of file mid-message", filename); | |
2251 | } | |
2252 | ||
6fd6ed71 | 2253 | ofp_print(stdout, b.data, b.size, verbosity + 2); |
1ac0e975 BP |
2254 | } |
2255 | ofpbuf_uninit(&b); | |
2256 | ||
2257 | if (file != stdin) { | |
2258 | fclose(file); | |
2259 | } | |
2260 | } | |
2261 | ||
f3dd1419 BP |
2262 | static bool |
2263 | is_openflow_port(ovs_be16 port_, char *ports[]) | |
2264 | { | |
2265 | uint16_t port = ntohs(port_); | |
2266 | if (ports[0]) { | |
2267 | int i; | |
2268 | ||
2269 | for (i = 0; ports[i]; i++) { | |
2270 | if (port == atoi(ports[i])) { | |
2271 | return true; | |
2272 | } | |
2273 | } | |
2274 | return false; | |
2275 | } else { | |
2276 | return port == OFP_PORT || port == OFP_OLD_PORT; | |
2277 | } | |
2278 | } | |
2279 | ||
2280 | static void | |
1636c761 | 2281 | ofctl_ofp_parse_pcap(struct ovs_cmdl_context *ctx) |
f3dd1419 BP |
2282 | { |
2283 | struct tcp_reader *reader; | |
2284 | FILE *file; | |
2285 | int error; | |
2286 | bool first; | |
2287 | ||
1636c761 | 2288 | file = ovs_pcap_open(ctx->argv[1], "rb"); |
f3dd1419 | 2289 | if (!file) { |
1636c761 | 2290 | ovs_fatal(errno, "%s: open failed", ctx->argv[1]); |
f3dd1419 BP |
2291 | } |
2292 | ||
2293 | reader = tcp_reader_open(); | |
2294 | first = true; | |
2295 | for (;;) { | |
cf62fa4c | 2296 | struct dp_packet *packet; |
f3dd1419 BP |
2297 | long long int when; |
2298 | struct flow flow; | |
2299 | ||
50aa0364 | 2300 | error = ovs_pcap_read(file, &packet, &when); |
f3dd1419 BP |
2301 | if (error) { |
2302 | break; | |
2303 | } | |
35303d71 | 2304 | pkt_metadata_init(&packet->md, ODPP_NONE); |
cf62fa4c | 2305 | flow_extract(packet, &flow); |
f3dd1419 BP |
2306 | if (flow.dl_type == htons(ETH_TYPE_IP) |
2307 | && flow.nw_proto == IPPROTO_TCP | |
1636c761 RB |
2308 | && (is_openflow_port(flow.tp_src, ctx->argv + 2) || |
2309 | is_openflow_port(flow.tp_dst, ctx->argv + 2))) { | |
cf62fa4c | 2310 | struct dp_packet *payload = tcp_reader_run(reader, &flow, packet); |
f3dd1419 | 2311 | if (payload) { |
cf62fa4c | 2312 | while (dp_packet_size(payload) >= sizeof(struct ofp_header)) { |
f3dd1419 | 2313 | const struct ofp_header *oh; |
cf62fa4c | 2314 | void *data = dp_packet_data(payload); |
f3dd1419 BP |
2315 | int length; |
2316 | ||
2317 | /* Align OpenFlow on 8-byte boundary for safe access. */ | |
cf62fa4c | 2318 | dp_packet_shift(payload, -((intptr_t) data & 7)); |
f3dd1419 | 2319 | |
cf62fa4c | 2320 | oh = dp_packet_data(payload); |
f3dd1419 | 2321 | length = ntohs(oh->length); |
cf62fa4c | 2322 | if (dp_packet_size(payload) < length) { |
f3dd1419 BP |
2323 | break; |
2324 | } | |
2325 | ||
2326 | if (!first) { | |
2327 | putchar('\n'); | |
2328 | } | |
2329 | first = false; | |
2330 | ||
2331 | if (timestamp) { | |
2332 | char *s = xastrftime_msec("%H:%M:%S.### ", when, true); | |
2333 | fputs(s, stdout); | |
2334 | free(s); | |
2335 | } | |
2336 | ||
2337 | printf(IP_FMT".%"PRIu16" > "IP_FMT".%"PRIu16":\n", | |
2338 | IP_ARGS(flow.nw_src), ntohs(flow.tp_src), | |
2339 | IP_ARGS(flow.nw_dst), ntohs(flow.tp_dst)); | |
cf62fa4c PS |
2340 | ofp_print(stdout, dp_packet_data(payload), length, verbosity + 1); |
2341 | dp_packet_pull(payload, length); | |
f3dd1419 BP |
2342 | } |
2343 | } | |
2344 | } | |
cf62fa4c | 2345 | dp_packet_delete(packet); |
f3dd1419 BP |
2346 | } |
2347 | tcp_reader_close(reader); | |
2348 | } | |
2349 | ||
064af421 | 2350 | static void |
1636c761 | 2351 | ofctl_ping(struct ovs_cmdl_context *ctx) |
064af421 BP |
2352 | { |
2353 | size_t max_payload = 65535 - sizeof(struct ofp_header); | |
2354 | unsigned int payload; | |
2355 | struct vconn *vconn; | |
2356 | int i; | |
2357 | ||
1636c761 | 2358 | payload = ctx->argc > 2 ? atoi(ctx->argv[2]) : 64; |
064af421 | 2359 | if (payload > max_payload) { |
34582733 | 2360 | ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload); |
064af421 BP |
2361 | } |
2362 | ||
1636c761 | 2363 | open_vconn(ctx->argv[1], &vconn); |
064af421 BP |
2364 | for (i = 0; i < 10; i++) { |
2365 | struct timeval start, end; | |
2366 | struct ofpbuf *request, *reply; | |
982697a4 BP |
2367 | const struct ofp_header *rpy_hdr; |
2368 | enum ofptype type; | |
064af421 | 2369 | |
a53a8efa SH |
2370 | request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST, |
2371 | vconn_get_version(vconn), payload); | |
982697a4 | 2372 | random_bytes(ofpbuf_put_uninit(request, payload), payload); |
064af421 | 2373 | |
279c9e03 | 2374 | xgettimeofday(&start); |
064af421 | 2375 | run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact"); |
279c9e03 | 2376 | xgettimeofday(&end); |
064af421 | 2377 | |
6fd6ed71 | 2378 | rpy_hdr = reply->data; |
982697a4 BP |
2379 | if (ofptype_pull(&type, reply) |
2380 | || type != OFPTYPE_ECHO_REPLY | |
6fd6ed71 PS |
2381 | || reply->size != payload |
2382 | || memcmp(request->msg, reply->msg, payload)) { | |
064af421 | 2383 | printf("Reply does not match request. Request:\n"); |
6fd6ed71 | 2384 | ofp_print(stdout, request, request->size, verbosity + 2); |
064af421 | 2385 | printf("Reply:\n"); |
6fd6ed71 | 2386 | ofp_print(stdout, reply, reply->size, verbosity + 2); |
064af421 | 2387 | } |
437d0d22 | 2388 | printf("%"PRIu32" bytes from %s: xid=%08"PRIx32" time=%.1f ms\n", |
1636c761 | 2389 | reply->size, ctx->argv[1], ntohl(rpy_hdr->xid), |
064af421 BP |
2390 | (1000*(double)(end.tv_sec - start.tv_sec)) |
2391 | + (.001*(end.tv_usec - start.tv_usec))); | |
2392 | ofpbuf_delete(request); | |
2393 | ofpbuf_delete(reply); | |
2394 | } | |
2395 | vconn_close(vconn); | |
2396 | } | |
2397 | ||
2398 | static void | |
1636c761 | 2399 | ofctl_benchmark(struct ovs_cmdl_context *ctx) |
064af421 BP |
2400 | { |
2401 | size_t max_payload = 65535 - sizeof(struct ofp_header); | |
2402 | struct timeval start, end; | |
2403 | unsigned int payload_size, message_size; | |
2404 | struct vconn *vconn; | |
2405 | double duration; | |
2406 | int count; | |
2407 | int i; | |
2408 | ||
1636c761 | 2409 | payload_size = atoi(ctx->argv[2]); |
064af421 | 2410 | if (payload_size > max_payload) { |
34582733 | 2411 | ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload); |
064af421 BP |
2412 | } |
2413 | message_size = sizeof(struct ofp_header) + payload_size; | |
2414 | ||
1636c761 | 2415 | count = atoi(ctx->argv[3]); |
064af421 BP |
2416 | |
2417 | printf("Sending %d packets * %u bytes (with header) = %u bytes total\n", | |
2418 | count, message_size, count * message_size); | |
2419 | ||
1636c761 | 2420 | open_vconn(ctx->argv[1], &vconn); |
279c9e03 | 2421 | xgettimeofday(&start); |
064af421 BP |
2422 | for (i = 0; i < count; i++) { |
2423 | struct ofpbuf *request, *reply; | |
064af421 | 2424 | |
a53a8efa SH |
2425 | request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST, |
2426 | vconn_get_version(vconn), payload_size); | |
982697a4 | 2427 | ofpbuf_put_zeros(request, payload_size); |
064af421 BP |
2428 | run(vconn_transact(vconn, request, &reply), "transact"); |
2429 | ofpbuf_delete(reply); | |
2430 | } | |
279c9e03 | 2431 | xgettimeofday(&end); |
064af421 BP |
2432 | vconn_close(vconn); |
2433 | ||
2434 | duration = ((1000*(double)(end.tv_sec - start.tv_sec)) | |
2435 | + (.001*(end.tv_usec - start.tv_usec))); | |
2436 | printf("Finished in %.1f ms (%.0f packets/s) (%.0f bytes/s)\n", | |
2437 | duration, count / (duration / 1000.0), | |
2438 | count * message_size / (duration / 1000.0)); | |
2439 | } | |
2440 | ||
fb8f22c1 BY |
2441 | static void |
2442 | ofctl_dump_ipfix_bridge(struct ovs_cmdl_context *ctx) | |
2443 | { | |
2444 | dump_trivial_transaction(ctx->argv[1], OFPRAW_NXST_IPFIX_BRIDGE_REQUEST); | |
2445 | } | |
2446 | ||
2447 | static void | |
2448 | ofctl_dump_ipfix_flow(struct ovs_cmdl_context *ctx) | |
2449 | { | |
2450 | dump_trivial_transaction(ctx->argv[1], OFPRAW_NXST_IPFIX_FLOW_REQUEST); | |
2451 | } | |
2452 | ||
7395c052 NZ |
2453 | static void |
2454 | ofctl_group_mod__(const char *remote, struct ofputil_group_mod *gms, | |
69185eb2 | 2455 | size_t n_gms, enum ofputil_protocol usable_protocols) |
7395c052 | 2456 | { |
69185eb2 | 2457 | enum ofputil_protocol protocol; |
7395c052 | 2458 | struct ofputil_group_mod *gm; |
69185eb2 | 2459 | enum ofp_version version; |
7395c052 NZ |
2460 | struct ofpbuf *request; |
2461 | ||
2462 | struct vconn *vconn; | |
2463 | size_t i; | |
2464 | ||
69185eb2 SH |
2465 | protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols); |
2466 | version = ofputil_protocol_to_ofp_version(protocol); | |
7395c052 NZ |
2467 | |
2468 | for (i = 0; i < n_gms; i++) { | |
2469 | gm = &gms[i]; | |
69185eb2 | 2470 | request = ofputil_encode_group_mod(version, gm); |
7395c052 NZ |
2471 | if (request) { |
2472 | transact_noreply(vconn, request); | |
2473 | } | |
2474 | } | |
2475 | ||
2476 | vconn_close(vconn); | |
2477 | ||
2478 | } | |
2479 | ||
2480 | ||
2481 | static void | |
2482 | ofctl_group_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command) | |
2483 | { | |
2484 | struct ofputil_group_mod *gms = NULL; | |
2485 | enum ofputil_protocol usable_protocols; | |
2486 | size_t n_gms = 0; | |
2487 | char *error; | |
0da32511 | 2488 | int i; |
7395c052 NZ |
2489 | |
2490 | error = parse_ofp_group_mod_file(argv[2], command, &gms, &n_gms, | |
2491 | &usable_protocols); | |
2492 | if (error) { | |
2493 | ovs_fatal(0, "%s", error); | |
2494 | } | |
69185eb2 | 2495 | ofctl_group_mod__(argv[1], gms, n_gms, usable_protocols); |
0da32511 SH |
2496 | for (i = 0; i < n_gms; i++) { |
2497 | ofputil_bucket_list_destroy(&gms[i].buckets); | |
2498 | } | |
7395c052 NZ |
2499 | free(gms); |
2500 | } | |
2501 | ||
2502 | static void | |
2503 | ofctl_group_mod(int argc, char *argv[], uint16_t command) | |
2504 | { | |
2505 | if (argc > 2 && !strcmp(argv[2], "-")) { | |
2506 | ofctl_group_mod_file(argc, argv, command); | |
2507 | } else { | |
2508 | enum ofputil_protocol usable_protocols; | |
2509 | struct ofputil_group_mod gm; | |
2510 | char *error; | |
2511 | ||
2512 | error = parse_ofp_group_mod_str(&gm, command, argc > 2 ? argv[2] : "", | |
2513 | &usable_protocols); | |
2514 | if (error) { | |
2515 | ovs_fatal(0, "%s", error); | |
2516 | } | |
69185eb2 | 2517 | ofctl_group_mod__(argv[1], &gm, 1, usable_protocols); |
0da32511 | 2518 | ofputil_bucket_list_destroy(&gm.buckets); |
7395c052 NZ |
2519 | } |
2520 | } | |
2521 | ||
2522 | static void | |
1636c761 | 2523 | ofctl_add_group(struct ovs_cmdl_context *ctx) |
7395c052 | 2524 | { |
1636c761 | 2525 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC11_ADD); |
7395c052 NZ |
2526 | } |
2527 | ||
2528 | static void | |
1636c761 | 2529 | ofctl_add_groups(struct ovs_cmdl_context *ctx) |
7395c052 | 2530 | { |
1636c761 | 2531 | ofctl_group_mod_file(ctx->argc, ctx->argv, OFPGC11_ADD); |
7395c052 NZ |
2532 | } |
2533 | ||
2534 | static void | |
1636c761 | 2535 | ofctl_mod_group(struct ovs_cmdl_context *ctx) |
7395c052 | 2536 | { |
1636c761 | 2537 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC11_MODIFY); |
7395c052 NZ |
2538 | } |
2539 | ||
2540 | static void | |
1636c761 | 2541 | ofctl_del_groups(struct ovs_cmdl_context *ctx) |
7395c052 | 2542 | { |
1636c761 | 2543 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC11_DELETE); |
7395c052 NZ |
2544 | } |
2545 | ||
bdbb8426 | 2546 | static void |
1636c761 | 2547 | ofctl_insert_bucket(struct ovs_cmdl_context *ctx) |
bdbb8426 | 2548 | { |
1636c761 | 2549 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC15_INSERT_BUCKET); |
bdbb8426 SH |
2550 | } |
2551 | ||
2552 | static void | |
1636c761 | 2553 | ofctl_remove_bucket(struct ovs_cmdl_context *ctx) |
bdbb8426 | 2554 | { |
1636c761 | 2555 | ofctl_group_mod(ctx->argc, ctx->argv, OFPGC15_REMOVE_BUCKET); |
bdbb8426 SH |
2556 | } |
2557 | ||
7395c052 | 2558 | static void |
1636c761 | 2559 | ofctl_dump_group_stats(struct ovs_cmdl_context *ctx) |
7395c052 NZ |
2560 | { |
2561 | enum ofputil_protocol usable_protocols; | |
2562 | struct ofputil_group_mod gm; | |
2563 | struct ofpbuf *request; | |
2564 | struct vconn *vconn; | |
2565 | uint32_t group_id; | |
2566 | char *error; | |
2567 | ||
2568 | memset(&gm, 0, sizeof gm); | |
2569 | ||
2570 | error = parse_ofp_group_mod_str(&gm, OFPGC11_DELETE, | |
1636c761 | 2571 | ctx->argc > 2 ? ctx->argv[2] : "", |
7395c052 NZ |
2572 | &usable_protocols); |
2573 | if (error) { | |
2574 | ovs_fatal(0, "%s", error); | |
2575 | } | |
2576 | ||
2577 | group_id = gm.group_id; | |
2578 | ||
1636c761 | 2579 | open_vconn(ctx->argv[1], &vconn); |
7395c052 NZ |
2580 | request = ofputil_encode_group_stats_request(vconn_get_version(vconn), |
2581 | group_id); | |
2582 | if (request) { | |
182b2eef | 2583 | dump_transaction(vconn, request); |
7395c052 NZ |
2584 | } |
2585 | ||
2586 | vconn_close(vconn); | |
2587 | } | |
2588 | ||
2589 | static void | |
1636c761 | 2590 | ofctl_dump_group_desc(struct ovs_cmdl_context *ctx) |
7395c052 NZ |
2591 | { |
2592 | struct ofpbuf *request; | |
2593 | struct vconn *vconn; | |
19187a71 | 2594 | uint32_t group_id; |
7395c052 | 2595 | |
1636c761 | 2596 | open_vconn(ctx->argv[1], &vconn); |
7395c052 | 2597 | |
1636c761 | 2598 | if (ctx->argc < 3 || !ofputil_group_from_string(ctx->argv[2], &group_id)) { |
30ef36c6 | 2599 | group_id = OFPG_ALL; |
19187a71 BP |
2600 | } |
2601 | ||
2602 | request = ofputil_encode_group_desc_request(vconn_get_version(vconn), | |
2603 | group_id); | |
7395c052 | 2604 | if (request) { |
182b2eef | 2605 | dump_transaction(vconn, request); |
7395c052 NZ |
2606 | } |
2607 | ||
2608 | vconn_close(vconn); | |
2609 | } | |
2610 | ||
2611 | static void | |
1636c761 | 2612 | ofctl_dump_group_features(struct ovs_cmdl_context *ctx) |
7395c052 NZ |
2613 | { |
2614 | struct ofpbuf *request; | |
2615 | struct vconn *vconn; | |
2616 | ||
1636c761 | 2617 | open_vconn(ctx->argv[1], &vconn); |
7395c052 NZ |
2618 | request = ofputil_encode_group_features_request(vconn_get_version(vconn)); |
2619 | if (request) { | |
182b2eef | 2620 | dump_transaction(vconn, request); |
7395c052 NZ |
2621 | } |
2622 | ||
2623 | vconn_close(vconn); | |
2624 | } | |
2625 | ||
6159c531 | 2626 | static void |
4e548ad9 | 2627 | ofctl_tlv_mod(struct ovs_cmdl_context *ctx, uint16_t command) |
6159c531 JG |
2628 | { |
2629 | enum ofputil_protocol usable_protocols; | |
2630 | enum ofputil_protocol protocol; | |
4e548ad9 | 2631 | struct ofputil_tlv_table_mod ttm; |
6159c531 JG |
2632 | char *error; |
2633 | enum ofp_version version; | |
2634 | struct ofpbuf *request; | |
2635 | struct vconn *vconn; | |
2636 | ||
4e548ad9 | 2637 | error = parse_ofp_tlv_table_mod_str(&ttm, command, ctx->argc > 2 ? |
6159c531 JG |
2638 | ctx->argv[2] : "", |
2639 | &usable_protocols); | |
2640 | if (error) { | |
2641 | ovs_fatal(0, "%s", error); | |
2642 | } | |
2643 | ||
2644 | protocol = open_vconn_for_flow_mod(ctx->argv[1], &vconn, usable_protocols); | |
2645 | version = ofputil_protocol_to_ofp_version(protocol); | |
2646 | ||
4e548ad9 | 2647 | request = ofputil_encode_tlv_table_mod(version, &ttm); |
6159c531 JG |
2648 | if (request) { |
2649 | transact_noreply(vconn, request); | |
2650 | } | |
2651 | ||
2652 | vconn_close(vconn); | |
4e548ad9 | 2653 | ofputil_uninit_tlv_table(&ttm.mappings); |
6159c531 JG |
2654 | } |
2655 | ||
2656 | static void | |
4e548ad9 | 2657 | ofctl_add_tlv_map(struct ovs_cmdl_context *ctx) |
6159c531 | 2658 | { |
4e548ad9 | 2659 | ofctl_tlv_mod(ctx, NXTTMC_ADD); |
6159c531 JG |
2660 | } |
2661 | ||
2662 | static void | |
4e548ad9 | 2663 | ofctl_del_tlv_map(struct ovs_cmdl_context *ctx) |
6159c531 | 2664 | { |
4e548ad9 | 2665 | ofctl_tlv_mod(ctx, ctx->argc > 2 ? NXTTMC_DELETE : NXTTMC_CLEAR); |
6159c531 JG |
2666 | } |
2667 | ||
2668 | static void | |
4e548ad9 | 2669 | ofctl_dump_tlv_map(struct ovs_cmdl_context *ctx) |
6159c531 | 2670 | { |
4e548ad9 | 2671 | dump_trivial_transaction(ctx->argv[1], OFPRAW_NXT_TLV_TABLE_REQUEST); |
6159c531 JG |
2672 | } |
2673 | ||
09246b99 | 2674 | static void |
1636c761 | 2675 | ofctl_help(struct ovs_cmdl_context *ctx OVS_UNUSED) |
09246b99 BP |
2676 | { |
2677 | usage(); | |
2678 | } | |
451de37e AW |
2679 | |
2680 | static void | |
1636c761 | 2681 | ofctl_list_commands(struct ovs_cmdl_context *ctx OVS_UNUSED) |
451de37e | 2682 | { |
5f383751 | 2683 | ovs_cmdl_print_commands(get_all_commands()); |
451de37e | 2684 | } |
09246b99 | 2685 | \f |
0199c526 BP |
2686 | /* replace-flows and diff-flows commands. */ |
2687 | ||
00da1ac5 JR |
2688 | struct flow_tables { |
2689 | struct classifier tables[OFPTT_MAX + 1]; | |
2690 | }; | |
2691 | ||
2692 | #define FOR_EACH_TABLE(CLS, TABLES) \ | |
2693 | for ((CLS) = (TABLES)->tables; \ | |
2694 | (CLS) < &(TABLES)->tables[ARRAY_SIZE((TABLES)->tables)]; \ | |
2695 | (CLS)++) | |
2696 | ||
2697 | static void | |
2698 | flow_tables_init(struct flow_tables *tables) | |
2699 | { | |
2700 | struct classifier *cls; | |
2701 | ||
2702 | FOR_EACH_TABLE (cls, tables) { | |
2703 | classifier_init(cls, NULL); | |
2704 | } | |
2705 | } | |
2706 | ||
2707 | static void | |
2708 | flow_tables_defer(struct flow_tables *tables) | |
2709 | { | |
2710 | struct classifier *cls; | |
2711 | ||
2712 | FOR_EACH_TABLE (cls, tables) { | |
2713 | classifier_defer(cls); | |
2714 | } | |
2715 | } | |
2716 | ||
2717 | static void | |
2718 | flow_tables_publish(struct flow_tables *tables) | |
2719 | { | |
2720 | struct classifier *cls; | |
2721 | ||
2722 | FOR_EACH_TABLE (cls, tables) { | |
2723 | classifier_publish(cls); | |
2724 | } | |
2725 | } | |
2726 | ||
0199c526 BP |
2727 | /* A flow table entry, possibly with two different versions. */ |
2728 | struct fte { | |
2729 | struct cls_rule rule; /* Within a "struct classifier". */ | |
2730 | struct fte_version *versions[2]; | |
2731 | }; | |
2732 | ||
2733 | /* One version of a Flow Table Entry. */ | |
2734 | struct fte_version { | |
2735 | ovs_be64 cookie; | |
2736 | uint16_t idle_timeout; | |
2737 | uint16_t hard_timeout; | |
ca26eb44 | 2738 | uint16_t importance; |
0199c526 | 2739 | uint16_t flags; |
f25d0cf3 BP |
2740 | struct ofpact *ofpacts; |
2741 | size_t ofpacts_len; | |
00da1ac5 | 2742 | uint8_t table_id; |
0199c526 BP |
2743 | }; |
2744 | ||
2745 | /* Frees 'version' and the data that it owns. */ | |
2746 | static void | |
2747 | fte_version_free(struct fte_version *version) | |
2748 | { | |
2749 | if (version) { | |
dc723c44 | 2750 | free(CONST_CAST(struct ofpact *, version->ofpacts)); |
0199c526 BP |
2751 | free(version); |
2752 | } | |
2753 | } | |
2754 | ||
2755 | /* Returns true if 'a' and 'b' are the same, false if they differ. | |
2756 | * | |
2757 | * Ignores differences in 'flags' because there's no way to retrieve flags from | |
2758 | * an OpenFlow switch. We have to assume that they are the same. */ | |
2759 | static bool | |
2760 | fte_version_equals(const struct fte_version *a, const struct fte_version *b) | |
2761 | { | |
2762 | return (a->cookie == b->cookie | |
2763 | && a->idle_timeout == b->idle_timeout | |
2764 | && a->hard_timeout == b->hard_timeout | |
ca26eb44 | 2765 | && a->importance == b->importance |
00da1ac5 | 2766 | && a->table_id == b->table_id |
f25d0cf3 BP |
2767 | && ofpacts_equal(a->ofpacts, a->ofpacts_len, |
2768 | b->ofpacts, b->ofpacts_len)); | |
0199c526 BP |
2769 | } |
2770 | ||
98f7f427 BP |
2771 | /* Clears 's', then if 's' has a version 'index', formats 'fte' and version |
2772 | * 'index' into 's', followed by a new-line. */ | |
0199c526 | 2773 | static void |
98f7f427 | 2774 | fte_version_format(const struct fte *fte, int index, struct ds *s) |
0199c526 | 2775 | { |
98f7f427 | 2776 | const struct fte_version *version = fte->versions[index]; |
0199c526 | 2777 | |
98f7f427 BP |
2778 | ds_clear(s); |
2779 | if (!version) { | |
2780 | return; | |
2781 | } | |
2782 | ||
00da1ac5 JR |
2783 | if (version->table_id) { |
2784 | ds_put_format(s, "table=%"PRIu8" ", version->table_id); | |
2785 | } | |
98f7f427 | 2786 | cls_rule_format(&fte->rule, s); |
0199c526 | 2787 | if (version->cookie != htonll(0)) { |
98f7f427 | 2788 | ds_put_format(s, " cookie=0x%"PRIx64, ntohll(version->cookie)); |
0199c526 BP |
2789 | } |
2790 | if (version->idle_timeout != OFP_FLOW_PERMANENT) { | |
98f7f427 | 2791 | ds_put_format(s, " idle_timeout=%"PRIu16, version->idle_timeout); |
0199c526 BP |
2792 | } |
2793 | if (version->hard_timeout != OFP_FLOW_PERMANENT) { | |
98f7f427 | 2794 | ds_put_format(s, " hard_timeout=%"PRIu16, version->hard_timeout); |
0199c526 | 2795 | } |
ca26eb44 RB |
2796 | if (version->importance != 0) { |
2797 | ds_put_format(s, " importance=%"PRIu16, version->importance); | |
2798 | } | |
0199c526 | 2799 | |
455ecd77 | 2800 | ds_put_cstr(s, " actions="); |
98f7f427 BP |
2801 | ofpacts_format(version->ofpacts, version->ofpacts_len, s); |
2802 | ||
2803 | ds_put_char(s, '\n'); | |
0199c526 BP |
2804 | } |
2805 | ||
2806 | static struct fte * | |
2807 | fte_from_cls_rule(const struct cls_rule *cls_rule) | |
2808 | { | |
2809 | return cls_rule ? CONTAINER_OF(cls_rule, struct fte, rule) : NULL; | |
2810 | } | |
2811 | ||
2812 | /* Frees 'fte' and its versions. */ | |
2813 | static void | |
2814 | fte_free(struct fte *fte) | |
2815 | { | |
2816 | if (fte) { | |
2817 | fte_version_free(fte->versions[0]); | |
2818 | fte_version_free(fte->versions[1]); | |
48d28ac1 | 2819 | cls_rule_destroy(&fte->rule); |
0199c526 BP |
2820 | free(fte); |
2821 | } | |
2822 | } | |
2823 | ||
00da1ac5 | 2824 | /* Frees all of the FTEs within 'tables'. */ |
0199c526 | 2825 | static void |
00da1ac5 | 2826 | fte_free_all(struct flow_tables *tables) |
0199c526 | 2827 | { |
00da1ac5 JR |
2828 | struct classifier *cls; |
2829 | ||
2830 | FOR_EACH_TABLE (cls, tables) { | |
2831 | struct fte *fte; | |
0199c526 | 2832 | |
00da1ac5 JR |
2833 | classifier_defer(cls); |
2834 | CLS_FOR_EACH (fte, rule, cls) { | |
2835 | classifier_remove(cls, &fte->rule); | |
2836 | ovsrcu_postpone(fte_free, fte); | |
2837 | } | |
2838 | classifier_destroy(cls); | |
0199c526 BP |
2839 | } |
2840 | } | |
2841 | ||
00da1ac5 | 2842 | /* Searches 'tables' for an FTE matching 'rule', inserting a new one if |
0199c526 BP |
2843 | * necessary. Sets 'version' as the version of that rule with the given |
2844 | * 'index', replacing any existing version, if any. | |
2845 | * | |
2846 | * Takes ownership of 'version'. */ | |
2847 | static void | |
00da1ac5 | 2848 | fte_insert(struct flow_tables *tables, const struct match *match, |
eb391b76 | 2849 | int priority, struct fte_version *version, int index) |
0199c526 | 2850 | { |
00da1ac5 | 2851 | struct classifier *cls = &tables->tables[version->table_id]; |
0199c526 BP |
2852 | struct fte *old, *fte; |
2853 | ||
2854 | fte = xzalloc(sizeof *fte); | |
bd53aa17 | 2855 | cls_rule_init(&fte->rule, match, priority); |
0199c526 BP |
2856 | fte->versions[index] = version; |
2857 | ||
bd53aa17 JR |
2858 | old = fte_from_cls_rule(classifier_replace(cls, &fte->rule, |
2859 | CLS_MIN_VERSION, NULL, 0)); | |
0199c526 | 2860 | if (old) { |
0199c526 | 2861 | fte->versions[!index] = old->versions[!index]; |
de4ad4a2 JR |
2862 | old->versions[!index] = NULL; |
2863 | ||
2864 | ovsrcu_postpone(fte_free, old); | |
0199c526 BP |
2865 | } |
2866 | } | |
2867 | ||
00da1ac5 JR |
2868 | /* Reads the flows in 'filename' as flow table entries in 'tables' for the |
2869 | * version with the specified 'index'. Returns the flow formats able to | |
2870 | * represent the flows that were read. */ | |
27527aa0 | 2871 | static enum ofputil_protocol |
00da1ac5 JR |
2872 | read_flows_from_file(const char *filename, struct flow_tables *tables, |
2873 | int index) | |
0199c526 | 2874 | { |
27527aa0 | 2875 | enum ofputil_protocol usable_protocols; |
bdda5aca | 2876 | int line_number; |
0199c526 BP |
2877 | struct ds s; |
2878 | FILE *file; | |
2879 | ||
2880 | file = !strcmp(filename, "-") ? stdin : fopen(filename, "r"); | |
2881 | if (file == NULL) { | |
2882 | ovs_fatal(errno, "%s: open", filename); | |
2883 | } | |
2884 | ||
2885 | ds_init(&s); | |
27527aa0 | 2886 | usable_protocols = OFPUTIL_P_ANY; |
bdda5aca | 2887 | line_number = 0; |
00da1ac5 | 2888 | flow_tables_defer(tables); |
bdda5aca | 2889 | while (!ds_get_preprocessed_line(&s, file, &line_number)) { |
0199c526 | 2890 | struct fte_version *version; |
a9a2da38 | 2891 | struct ofputil_flow_mod fm; |
bdda5aca | 2892 | char *error; |
db0b6c29 | 2893 | enum ofputil_protocol usable; |
0199c526 | 2894 | |
ba2fe8e9 | 2895 | error = parse_ofp_str(&fm, OFPFC_ADD, ds_cstr(&s), &usable); |
bdda5aca BP |
2896 | if (error) { |
2897 | ovs_fatal(0, "%s:%d: %s", filename, line_number, error); | |
2898 | } | |
db0b6c29 | 2899 | usable_protocols &= usable; |
0199c526 BP |
2900 | |
2901 | version = xmalloc(sizeof *version); | |
623e1caf | 2902 | version->cookie = fm.new_cookie; |
0199c526 BP |
2903 | version->idle_timeout = fm.idle_timeout; |
2904 | version->hard_timeout = fm.hard_timeout; | |
ca26eb44 | 2905 | version->importance = fm.importance; |
0fb88c18 BP |
2906 | version->flags = fm.flags & (OFPUTIL_FF_SEND_FLOW_REM |
2907 | | OFPUTIL_FF_EMERG); | |
f25d0cf3 BP |
2908 | version->ofpacts = fm.ofpacts; |
2909 | version->ofpacts_len = fm.ofpacts_len; | |
00da1ac5 | 2910 | version->table_id = fm.table_id != OFPTT_ALL ? fm.table_id : 0; |
0199c526 | 2911 | |
00da1ac5 | 2912 | fte_insert(tables, &fm.match, fm.priority, version, index); |
0199c526 | 2913 | } |
00da1ac5 | 2914 | flow_tables_publish(tables); |
0199c526 BP |
2915 | ds_destroy(&s); |
2916 | ||
2917 | if (file != stdin) { | |
2918 | fclose(file); | |
2919 | } | |
2920 | ||
27527aa0 | 2921 | return usable_protocols; |
0199c526 BP |
2922 | } |
2923 | ||
4ce9c315 BP |
2924 | static bool |
2925 | recv_flow_stats_reply(struct vconn *vconn, ovs_be32 send_xid, | |
2926 | struct ofpbuf **replyp, | |
2927 | struct ofputil_flow_stats *fs, struct ofpbuf *ofpacts) | |
2928 | { | |
2929 | struct ofpbuf *reply = *replyp; | |
2930 | ||
2931 | for (;;) { | |
4ce9c315 | 2932 | int retval; |
35805806 | 2933 | bool more; |
4ce9c315 BP |
2934 | |
2935 | /* Get a flow stats reply message, if we don't already have one. */ | |
2936 | if (!reply) { | |
982697a4 BP |
2937 | enum ofptype type; |
2938 | enum ofperr error; | |
4ce9c315 BP |
2939 | |
2940 | do { | |
2941 | run(vconn_recv_block(vconn, &reply), | |
2942 | "OpenFlow packet receive failed"); | |
6fd6ed71 | 2943 | } while (((struct ofp_header *) reply->data)->xid != send_xid); |
4ce9c315 | 2944 | |
6fd6ed71 | 2945 | error = ofptype_decode(&type, reply->data); |
982697a4 | 2946 | if (error || type != OFPTYPE_FLOW_STATS_REPLY) { |
4ce9c315 | 2947 | ovs_fatal(0, "received bad reply: %s", |
6fd6ed71 | 2948 | ofp_to_string(reply->data, reply->size, |
4ce9c315 BP |
2949 | verbosity + 1)); |
2950 | } | |
2951 | } | |
2952 | ||
2953 | /* Pull an individual flow stats reply out of the message. */ | |
2954 | retval = ofputil_decode_flow_stats_reply(fs, reply, false, ofpacts); | |
2955 | switch (retval) { | |
2956 | case 0: | |
2957 | *replyp = reply; | |
2958 | return true; | |
2959 | ||
2960 | case EOF: | |
6fd6ed71 | 2961 | more = ofpmp_more(reply->header); |
4ce9c315 | 2962 | ofpbuf_delete(reply); |
296ed880 | 2963 | reply = NULL; |
35805806 | 2964 | if (!more) { |
4ce9c315 BP |
2965 | *replyp = NULL; |
2966 | return false; | |
2967 | } | |
2968 | break; | |
2969 | ||
2970 | default: | |
2971 | ovs_fatal(0, "parse error in reply (%s)", | |
2972 | ofperr_to_string(retval)); | |
2973 | } | |
2974 | } | |
2975 | } | |
2976 | ||
0199c526 | 2977 | /* Reads the OpenFlow flow table from 'vconn', which has currently active flow |
00da1ac5 | 2978 | * format 'protocol', and adds them as flow table entries in 'tables' for the |
0199c526 BP |
2979 | * version with the specified 'index'. */ |
2980 | static void | |
27527aa0 BP |
2981 | read_flows_from_switch(struct vconn *vconn, |
2982 | enum ofputil_protocol protocol, | |
00da1ac5 | 2983 | struct flow_tables *tables, int index) |
0199c526 | 2984 | { |
81d1ea94 | 2985 | struct ofputil_flow_stats_request fsr; |
4ce9c315 | 2986 | struct ofputil_flow_stats fs; |
0199c526 | 2987 | struct ofpbuf *request; |
4ce9c315 BP |
2988 | struct ofpbuf ofpacts; |
2989 | struct ofpbuf *reply; | |
0199c526 | 2990 | ovs_be32 send_xid; |
0199c526 BP |
2991 | |
2992 | fsr.aggregate = false; | |
81a76618 | 2993 | match_init_catchall(&fsr.match); |
7f05e7ab | 2994 | fsr.out_port = OFPP_ANY; |
4b69263d | 2995 | fsr.out_group = OFPG_ANY; |
0199c526 | 2996 | fsr.table_id = 0xff; |
ecc798ab | 2997 | fsr.cookie = fsr.cookie_mask = htonll(0); |
27527aa0 | 2998 | request = ofputil_encode_flow_stats_request(&fsr, protocol); |
6fd6ed71 | 2999 | send_xid = ((struct ofp_header *) request->data)->xid; |
0199c526 BP |
3000 | send_openflow_buffer(vconn, request); |
3001 | ||
4ce9c315 BP |
3002 | reply = NULL; |
3003 | ofpbuf_init(&ofpacts, 0); | |
00da1ac5 | 3004 | flow_tables_defer(tables); |
4ce9c315 BP |
3005 | while (recv_flow_stats_reply(vconn, send_xid, &reply, &fs, &ofpacts)) { |
3006 | struct fte_version *version; | |
0199c526 | 3007 | |
4ce9c315 BP |
3008 | version = xmalloc(sizeof *version); |
3009 | version->cookie = fs.cookie; | |
3010 | version->idle_timeout = fs.idle_timeout; | |
3011 | version->hard_timeout = fs.hard_timeout; | |
ca26eb44 | 3012 | version->importance = fs.importance; |
4ce9c315 BP |
3013 | version->flags = 0; |
3014 | version->ofpacts_len = fs.ofpacts_len; | |
3015 | version->ofpacts = xmemdup(fs.ofpacts, fs.ofpacts_len); | |
00da1ac5 | 3016 | version->table_id = fs.table_id; |
4ce9c315 | 3017 | |
00da1ac5 | 3018 | fte_insert(tables, &fs.match, fs.priority, version, index); |
0199c526 | 3019 | } |
00da1ac5 | 3020 | flow_tables_publish(tables); |
4ce9c315 | 3021 | ofpbuf_uninit(&ofpacts); |
0199c526 BP |
3022 | } |
3023 | ||
3024 | static void | |
3025 | fte_make_flow_mod(const struct fte *fte, int index, uint16_t command, | |
ca6ba700 | 3026 | enum ofputil_protocol protocol, struct ovs_list *packets) |
0199c526 BP |
3027 | { |
3028 | const struct fte_version *version = fte->versions[index]; | |
0199c526 BP |
3029 | struct ofpbuf *ofm; |
3030 | ||
39cc5c4a BP |
3031 | struct ofputil_flow_mod fm = { |
3032 | .priority = fte->rule.priority, | |
3033 | .new_cookie = version->cookie, | |
3034 | .modify_cookie = true, | |
3035 | .table_id = version->table_id, | |
3036 | .command = command, | |
3037 | .idle_timeout = version->idle_timeout, | |
3038 | .hard_timeout = version->hard_timeout, | |
3039 | .importance = version->importance, | |
3040 | .buffer_id = UINT32_MAX, | |
3041 | .out_port = OFPP_ANY, | |
3042 | .out_group = OFPG_ANY, | |
3043 | .flags = version->flags, | |
3044 | .delete_reason = OFPRR_DELETE, | |
3045 | }; | |
5cb7a798 | 3046 | minimatch_expand(&fte->rule.match, &fm.match); |
0199c526 BP |
3047 | if (command == OFPFC_ADD || command == OFPFC_MODIFY || |
3048 | command == OFPFC_MODIFY_STRICT) { | |
f25d0cf3 BP |
3049 | fm.ofpacts = version->ofpacts; |
3050 | fm.ofpacts_len = version->ofpacts_len; | |
0199c526 | 3051 | } else { |
f25d0cf3 BP |
3052 | fm.ofpacts = NULL; |
3053 | fm.ofpacts_len = 0; | |
0199c526 BP |
3054 | } |
3055 | ||
27527aa0 | 3056 | ofm = ofputil_encode_flow_mod(&fm, protocol); |
417e7e66 | 3057 | ovs_list_push_back(packets, &ofm->list_node); |
0199c526 BP |
3058 | } |
3059 | ||
3060 | static void | |
1636c761 | 3061 | ofctl_replace_flows(struct ovs_cmdl_context *ctx) |
0199c526 BP |
3062 | { |
3063 | enum { FILE_IDX = 0, SWITCH_IDX = 1 }; | |
27527aa0 | 3064 | enum ofputil_protocol usable_protocols, protocol; |
00da1ac5 JR |
3065 | struct flow_tables tables; |
3066 | struct classifier *cls; | |
ca6ba700 | 3067 | struct ovs_list requests; |
0199c526 BP |
3068 | struct vconn *vconn; |
3069 | struct fte *fte; | |
3070 | ||
00da1ac5 JR |
3071 | flow_tables_init(&tables); |
3072 | usable_protocols = read_flows_from_file(ctx->argv[2], &tables, FILE_IDX); | |
0199c526 | 3073 | |
1636c761 | 3074 | protocol = open_vconn(ctx->argv[1], &vconn); |
27527aa0 BP |
3075 | protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols); |
3076 | ||
00da1ac5 | 3077 | read_flows_from_switch(vconn, protocol, &tables, SWITCH_IDX); |
0199c526 | 3078 | |
417e7e66 | 3079 | ovs_list_init(&requests); |
0199c526 | 3080 | |
00da1ac5 JR |
3081 | FOR_EACH_TABLE (cls, &tables) { |
3082 | /* Delete flows that exist on the switch but not in the file. */ | |
3083 | CLS_FOR_EACH (fte, rule, cls) { | |
3084 | struct fte_version *file_ver = fte->versions[FILE_IDX]; | |
3085 | struct fte_version *sw_ver = fte->versions[SWITCH_IDX]; | |
0199c526 | 3086 | |
00da1ac5 JR |
3087 | if (sw_ver && !file_ver) { |
3088 | fte_make_flow_mod(fte, SWITCH_IDX, OFPFC_DELETE_STRICT, | |
3089 | protocol, &requests); | |
3090 | } | |
0199c526 | 3091 | } |
0199c526 | 3092 | |
00da1ac5 JR |
3093 | /* Add flows that exist in the file but not on the switch. |
3094 | * Update flows that exist in both places but differ. */ | |
3095 | CLS_FOR_EACH (fte, rule, cls) { | |
3096 | struct fte_version *file_ver = fte->versions[FILE_IDX]; | |
3097 | struct fte_version *sw_ver = fte->versions[SWITCH_IDX]; | |
0199c526 | 3098 | |
00da1ac5 JR |
3099 | if (file_ver && |
3100 | (readd || !sw_ver || !fte_version_equals(sw_ver, file_ver))) { | |
3101 | fte_make_flow_mod(fte, FILE_IDX, OFPFC_ADD, protocol, | |
3102 | &requests); | |
3103 | } | |
0199c526 BP |
3104 | } |
3105 | } | |
db5076ee | 3106 | if (bundle) { |
39c94593 | 3107 | bundle_transact(vconn, &requests, OFPBF_ORDERED | OFPBF_ATOMIC); |
db5076ee JR |
3108 | } else { |
3109 | transact_multiple_noreply(vconn, &requests); | |
3110 | } | |
74cb32e3 WT |
3111 | |
3112 | ofpbuf_list_delete(&requests); | |
0199c526 BP |
3113 | vconn_close(vconn); |
3114 | ||
00da1ac5 | 3115 | fte_free_all(&tables); |
0199c526 BP |
3116 | } |
3117 | ||
3118 | static void | |
00da1ac5 JR |
3119 | read_flows_from_source(const char *source, struct flow_tables *tables, |
3120 | int index) | |
0199c526 BP |
3121 | { |
3122 | struct stat s; | |
3123 | ||
3124 | if (source[0] == '/' || source[0] == '.' | |
3125 | || (!strchr(source, ':') && !stat(source, &s))) { | |
00da1ac5 | 3126 | read_flows_from_file(source, tables, index); |
0199c526 | 3127 | } else { |
27527aa0 | 3128 | enum ofputil_protocol protocol; |
0199c526 BP |
3129 | struct vconn *vconn; |
3130 | ||
27527aa0 BP |
3131 | protocol = open_vconn(source, &vconn); |
3132 | protocol = set_protocol_for_flow_dump(vconn, protocol, OFPUTIL_P_ANY); | |
00da1ac5 | 3133 | read_flows_from_switch(vconn, protocol, tables, index); |
0199c526 BP |
3134 | vconn_close(vconn); |
3135 | } | |
3136 | } | |
3137 | ||
3138 | static void | |
1636c761 | 3139 | ofctl_diff_flows(struct ovs_cmdl_context *ctx) |
0199c526 BP |
3140 | { |
3141 | bool differences = false; | |
00da1ac5 JR |
3142 | struct flow_tables tables; |
3143 | struct classifier *cls; | |
98f7f427 | 3144 | struct ds a_s, b_s; |
0199c526 BP |
3145 | struct fte *fte; |
3146 | ||
00da1ac5 JR |
3147 | flow_tables_init(&tables); |
3148 | read_flows_from_source(ctx->argv[1], &tables, 0); | |
3149 | read_flows_from_source(ctx->argv[2], &tables, 1); | |
0199c526 | 3150 | |
98f7f427 BP |
3151 | ds_init(&a_s); |
3152 | ds_init(&b_s); | |
3153 | ||
00da1ac5 JR |
3154 | FOR_EACH_TABLE (cls, &tables) { |
3155 | CLS_FOR_EACH (fte, rule, cls) { | |
3156 | struct fte_version *a = fte->versions[0]; | |
3157 | struct fte_version *b = fte->versions[1]; | |
3158 | ||
3159 | if (!a || !b || !fte_version_equals(a, b)) { | |
3160 | fte_version_format(fte, 0, &a_s); | |
3161 | fte_version_format(fte, 1, &b_s); | |
3162 | if (strcmp(ds_cstr(&a_s), ds_cstr(&b_s))) { | |
3163 | if (a_s.length) { | |
3164 | printf("-%s", ds_cstr(&a_s)); | |
3165 | } | |
3166 | if (b_s.length) { | |
3167 | printf("+%s", ds_cstr(&b_s)); | |
3168 | } | |
3169 | differences = true; | |
98f7f427 | 3170 | } |
0199c526 | 3171 | } |
0199c526 BP |
3172 | } |
3173 | } | |
3174 | ||
98f7f427 BP |
3175 | ds_destroy(&a_s); |
3176 | ds_destroy(&b_s); | |
3177 | ||
00da1ac5 | 3178 | fte_free_all(&tables); |
0199c526 BP |
3179 | |
3180 | if (differences) { | |
3181 | exit(2); | |
3182 | } | |
3183 | } | |
3200ed58 JR |
3184 | |
3185 | static void | |
3186 | ofctl_meter_mod__(const char *bridge, const char *str, int command) | |
3187 | { | |
3188 | struct ofputil_meter_mod mm; | |
3189 | struct vconn *vconn; | |
3190 | enum ofputil_protocol protocol; | |
3191 | enum ofputil_protocol usable_protocols; | |
3192 | enum ofp_version version; | |
3193 | ||
3194 | if (str) { | |
3195 | char *error; | |
3196 | error = parse_ofp_meter_mod_str(&mm, str, command, &usable_protocols); | |
3197 | if (error) { | |
3198 | ovs_fatal(0, "%s", error); | |
3199 | } | |
3200 | } else { | |
3201 | usable_protocols = OFPUTIL_P_OF13_UP; | |
3202 | mm.command = command; | |
3203 | mm.meter.meter_id = OFPM13_ALL; | |
3204 | } | |
3205 | ||
3206 | protocol = open_vconn_for_flow_mod(bridge, &vconn, usable_protocols); | |
3207 | version = ofputil_protocol_to_ofp_version(protocol); | |
3208 | transact_noreply(vconn, ofputil_encode_meter_mod(version, &mm)); | |
3209 | vconn_close(vconn); | |
3210 | } | |
3211 | ||
3212 | static void | |
3213 | ofctl_meter_request__(const char *bridge, const char *str, | |
3214 | enum ofputil_meter_request_type type) | |
3215 | { | |
3216 | struct ofputil_meter_mod mm; | |
3217 | struct vconn *vconn; | |
3218 | enum ofputil_protocol usable_protocols; | |
3219 | enum ofputil_protocol protocol; | |
3220 | enum ofp_version version; | |
3221 | ||
3222 | if (str) { | |
3223 | char *error; | |
3224 | error = parse_ofp_meter_mod_str(&mm, str, -1, &usable_protocols); | |
3225 | if (error) { | |
3226 | ovs_fatal(0, "%s", error); | |
3227 | } | |
3228 | } else { | |
3229 | usable_protocols = OFPUTIL_P_OF13_UP; | |
3230 | mm.meter.meter_id = OFPM13_ALL; | |
3231 | } | |
3232 | ||
3233 | protocol = open_vconn_for_flow_mod(bridge, &vconn, usable_protocols); | |
3234 | version = ofputil_protocol_to_ofp_version(protocol); | |
182b2eef BP |
3235 | dump_transaction(vconn, ofputil_encode_meter_request(version, type, |
3236 | mm.meter.meter_id)); | |
3200ed58 JR |
3237 | vconn_close(vconn); |
3238 | } | |
3239 | ||
3240 | ||
3241 | static void | |
1636c761 | 3242 | ofctl_add_meter(struct ovs_cmdl_context *ctx) |
3200ed58 | 3243 | { |
1636c761 | 3244 | ofctl_meter_mod__(ctx->argv[1], ctx->argv[2], OFPMC13_ADD); |
3200ed58 JR |
3245 | } |
3246 | ||
3247 | static void | |
1636c761 | 3248 | ofctl_mod_meter(struct ovs_cmdl_context *ctx) |
3200ed58 | 3249 | { |
1636c761 | 3250 | ofctl_meter_mod__(ctx->argv[1], ctx->argv[2], OFPMC13_MODIFY); |
3200ed58 JR |
3251 | } |
3252 | ||
3253 | static void | |
1636c761 | 3254 | ofctl_del_meters(struct ovs_cmdl_context *ctx) |
3200ed58 | 3255 | { |
1636c761 | 3256 | ofctl_meter_mod__(ctx->argv[1], ctx->argc > 2 ? ctx->argv[2] : NULL, OFPMC13_DELETE); |
3200ed58 JR |
3257 | } |
3258 | ||
3259 | static void | |
1636c761 | 3260 | ofctl_dump_meters(struct ovs_cmdl_context *ctx) |
3200ed58 | 3261 | { |
1636c761 | 3262 | ofctl_meter_request__(ctx->argv[1], ctx->argc > 2 ? ctx->argv[2] : NULL, |
3200ed58 JR |
3263 | OFPUTIL_METER_CONFIG); |
3264 | } | |
3265 | ||
3266 | static void | |
1636c761 | 3267 | ofctl_meter_stats(struct ovs_cmdl_context *ctx) |
3200ed58 | 3268 | { |
1636c761 | 3269 | ofctl_meter_request__(ctx->argv[1], ctx->argc > 2 ? ctx->argv[2] : NULL, |
3200ed58 JR |
3270 | OFPUTIL_METER_STATS); |
3271 | } | |
3272 | ||
3273 | static void | |
1636c761 | 3274 | ofctl_meter_features(struct ovs_cmdl_context *ctx) |
3200ed58 | 3275 | { |
1636c761 | 3276 | ofctl_meter_request__(ctx->argv[1], NULL, OFPUTIL_METER_FEATURES); |
3200ed58 JR |
3277 | } |
3278 | ||
0199c526 | 3279 | \f |
09246b99 BP |
3280 | /* Undocumented commands for unit testing. */ |
3281 | ||
770f1f66 | 3282 | static void |
db0b6c29 JR |
3283 | ofctl_parse_flows__(struct ofputil_flow_mod *fms, size_t n_fms, |
3284 | enum ofputil_protocol usable_protocols) | |
770f1f66 | 3285 | { |
27527aa0 BP |
3286 | enum ofputil_protocol protocol = 0; |
3287 | char *usable_s; | |
3288 | size_t i; | |
770f1f66 | 3289 | |
27527aa0 BP |
3290 | usable_s = ofputil_protocols_to_string(usable_protocols); |
3291 | printf("usable protocols: %s\n", usable_s); | |
3292 | free(usable_s); | |
3293 | ||
3294 | if (!(usable_protocols & allowed_protocols)) { | |
3295 | ovs_fatal(0, "no usable protocol"); | |
3296 | } | |
3297 | for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) { | |
3298 | protocol = 1 << i; | |
3299 | if (protocol & usable_protocols & allowed_protocols) { | |
3300 | break; | |
3301 | } | |
3302 | } | |
cc2862a9 | 3303 | ovs_assert(is_pow2(protocol)); |
27527aa0 BP |
3304 | |
3305 | printf("chosen protocol: %s\n", ofputil_protocol_to_string(protocol)); | |
3306 | ||
3307 | for (i = 0; i < n_fms; i++) { | |
3308 | struct ofputil_flow_mod *fm = &fms[i]; | |
3309 | struct ofpbuf *msg; | |
3310 | ||
3311 | msg = ofputil_encode_flow_mod(fm, protocol); | |
6fd6ed71 | 3312 | ofp_print(stdout, msg->data, msg->size, verbosity); |
27527aa0 BP |
3313 | ofpbuf_delete(msg); |
3314 | ||
dc723c44 | 3315 | free(CONST_CAST(struct ofpact *, fm->ofpacts)); |
770f1f66 BP |
3316 | } |
3317 | } | |
3318 | ||
3319 | /* "parse-flow FLOW": parses the argument as a flow (like add-flow) and prints | |
3320 | * it back to stdout. */ | |
3321 | static void | |
1636c761 | 3322 | ofctl_parse_flow(struct ovs_cmdl_context *ctx) |
770f1f66 | 3323 | { |
db0b6c29 | 3324 | enum ofputil_protocol usable_protocols; |
27527aa0 | 3325 | struct ofputil_flow_mod fm; |
bdda5aca | 3326 | char *error; |
770f1f66 | 3327 | |
1636c761 | 3328 | error = parse_ofp_flow_mod_str(&fm, ctx->argv[1], OFPFC_ADD, &usable_protocols); |
bdda5aca BP |
3329 | if (error) { |
3330 | ovs_fatal(0, "%s", error); | |
3331 | } | |
db0b6c29 | 3332 | ofctl_parse_flows__(&fm, 1, usable_protocols); |
770f1f66 BP |
3333 | } |
3334 | ||
fec00620 BP |
3335 | /* "parse-flows FILENAME": reads the named file as a sequence of flows (like |
3336 | * add-flows) and prints each of the flows back to stdout. */ | |
0e581146 | 3337 | static void |
1636c761 | 3338 | ofctl_parse_flows(struct ovs_cmdl_context *ctx) |
0e581146 | 3339 | { |
db0b6c29 | 3340 | enum ofputil_protocol usable_protocols; |
27527aa0 BP |
3341 | struct ofputil_flow_mod *fms = NULL; |
3342 | size_t n_fms = 0; | |
bdda5aca | 3343 | char *error; |
0e581146 | 3344 | |
1636c761 | 3345 | error = parse_ofp_flow_mod_file(ctx->argv[1], OFPFC_ADD, &fms, &n_fms, |
ba2fe8e9 | 3346 | &usable_protocols); |
bdda5aca BP |
3347 | if (error) { |
3348 | ovs_fatal(0, "%s", error); | |
3349 | } | |
db0b6c29 | 3350 | ofctl_parse_flows__(fms, n_fms, usable_protocols); |
27527aa0 | 3351 | free(fms); |
0e581146 BP |
3352 | } |
3353 | ||
064af421 | 3354 | static void |
9d84066c | 3355 | ofctl_parse_nxm__(bool oxm, enum ofp_version version) |
09246b99 BP |
3356 | { |
3357 | struct ds in; | |
3358 | ||
3359 | ds_init(&in); | |
06d7ae7d | 3360 | while (!ds_get_test_line(&in, stdin)) { |
09246b99 | 3361 | struct ofpbuf nx_match; |
81a76618 | 3362 | struct match match; |
e729e793 | 3363 | ovs_be64 cookie, cookie_mask; |
90bf1e07 | 3364 | enum ofperr error; |
09246b99 | 3365 | int match_len; |
09246b99 BP |
3366 | |
3367 | /* Convert string to nx_match. */ | |
3368 | ofpbuf_init(&nx_match, 0); | |
7623f4dd SH |
3369 | if (oxm) { |
3370 | match_len = oxm_match_from_string(ds_cstr(&in), &nx_match); | |
3371 | } else { | |
3372 | match_len = nx_match_from_string(ds_cstr(&in), &nx_match); | |
3373 | } | |
09246b99 | 3374 | |
81a76618 | 3375 | /* Convert nx_match to match. */ |
102ce766 | 3376 | if (strict) { |
7623f4dd | 3377 | if (oxm) { |
81a76618 | 3378 | error = oxm_pull_match(&nx_match, &match); |
7623f4dd | 3379 | } else { |
81a76618 | 3380 | error = nx_pull_match(&nx_match, match_len, &match, |
7623f4dd SH |
3381 | &cookie, &cookie_mask); |
3382 | } | |
102ce766 | 3383 | } else { |
7623f4dd | 3384 | if (oxm) { |
81a76618 | 3385 | error = oxm_pull_match_loose(&nx_match, &match); |
7623f4dd | 3386 | } else { |
81a76618 | 3387 | error = nx_pull_match_loose(&nx_match, match_len, &match, |
7623f4dd SH |
3388 | &cookie, &cookie_mask); |
3389 | } | |
102ce766 EJ |
3390 | } |
3391 | ||
7623f4dd | 3392 | |
09246b99 BP |
3393 | if (!error) { |
3394 | char *out; | |
3395 | ||
81a76618 | 3396 | /* Convert match back to nx_match. */ |
09246b99 BP |
3397 | ofpbuf_uninit(&nx_match); |
3398 | ofpbuf_init(&nx_match, 0); | |
7623f4dd | 3399 | if (oxm) { |
9d84066c | 3400 | match_len = oxm_put_match(&nx_match, &match, version); |
db5a1019 | 3401 | out = oxm_match_to_string(&nx_match, match_len); |
7623f4dd | 3402 | } else { |
81a76618 | 3403 | match_len = nx_put_match(&nx_match, &match, |
7623f4dd | 3404 | cookie, cookie_mask); |
6fd6ed71 | 3405 | out = nx_match_to_string(nx_match.data, match_len); |
7623f4dd | 3406 | } |
09246b99 | 3407 | |
09246b99 BP |
3408 | puts(out); |
3409 | free(out); | |
508a9338 BP |
3410 | |
3411 | if (verbosity > 0) { | |
6fd6ed71 | 3412 | ovs_hex_dump(stdout, nx_match.data, nx_match.size, 0, false); |
508a9338 | 3413 | } |
09246b99 | 3414 | } else { |
90bf1e07 BP |
3415 | printf("nx_pull_match() returned error %s\n", |
3416 | ofperr_get_name(error)); | |
09246b99 BP |
3417 | } |
3418 | ||
3419 | ofpbuf_uninit(&nx_match); | |
3420 | } | |
3421 | ds_destroy(&in); | |
064af421 BP |
3422 | } |
3423 | ||
b5ae8913 SH |
3424 | /* "parse-nxm": reads a series of NXM nx_match specifications as strings from |
3425 | * stdin, does some internal fussing with them, and then prints them back as | |
3426 | * strings on stdout. */ | |
3427 | static void | |
1636c761 | 3428 | ofctl_parse_nxm(struct ovs_cmdl_context *ctx OVS_UNUSED) |
b5ae8913 | 3429 | { |
2f4aba0b | 3430 | ofctl_parse_nxm__(false, 0); |
b5ae8913 SH |
3431 | } |
3432 | ||
9d84066c BP |
3433 | /* "parse-oxm VERSION": reads a series of OXM nx_match specifications as |
3434 | * strings from stdin, does some internal fussing with them, and then prints | |
3435 | * them back as strings on stdout. VERSION must specify an OpenFlow version, | |
3436 | * e.g. "OpenFlow12". */ | |
b5ae8913 | 3437 | static void |
1636c761 | 3438 | ofctl_parse_oxm(struct ovs_cmdl_context *ctx) |
b5ae8913 | 3439 | { |
1636c761 | 3440 | enum ofp_version version = ofputil_version_from_string(ctx->argv[1]); |
9d84066c | 3441 | if (version < OFP12_VERSION) { |
1636c761 | 3442 | ovs_fatal(0, "%s: not a valid version for OXM", ctx->argv[1]); |
9d84066c BP |
3443 | } |
3444 | ||
2f4aba0b | 3445 | ofctl_parse_nxm__(true, version); |
b5ae8913 SH |
3446 | } |
3447 | ||
f25d0cf3 | 3448 | static void |
96628ae8 BP |
3449 | print_differences(const char *prefix, |
3450 | const void *a_, size_t a_len, | |
f25d0cf3 BP |
3451 | const void *b_, size_t b_len) |
3452 | { | |
3453 | const uint8_t *a = a_; | |
3454 | const uint8_t *b = b_; | |
3455 | size_t i; | |
3456 | ||
3457 | for (i = 0; i < MIN(a_len, b_len); i++) { | |
3458 | if (a[i] != b[i]) { | |
34582733 | 3459 | printf("%s%2"PRIuSIZE": %02"PRIx8" -> %02"PRIx8"\n", |
96628ae8 | 3460 | prefix, i, a[i], b[i]); |
f25d0cf3 BP |
3461 | } |
3462 | } | |
3463 | for (i = a_len; i < b_len; i++) { | |
34582733 | 3464 | printf("%s%2"PRIuSIZE": (none) -> %02"PRIx8"\n", prefix, i, b[i]); |
f25d0cf3 BP |
3465 | } |
3466 | for (i = b_len; i < a_len; i++) { | |
34582733 | 3467 | printf("%s%2"PRIuSIZE": %02"PRIx8" -> (none)\n", prefix, i, a[i]); |
f25d0cf3 BP |
3468 | } |
3469 | } | |
3470 | ||
f25d0cf3 | 3471 | static void |
65a8a59e | 3472 | ofctl_parse_actions__(const char *version_s, bool instructions) |
f25d0cf3 | 3473 | { |
65a8a59e | 3474 | enum ofp_version version; |
f25d0cf3 BP |
3475 | struct ds in; |
3476 | ||
65a8a59e BP |
3477 | version = ofputil_version_from_string(version_s); |
3478 | if (!version) { | |
3479 | ovs_fatal(0, "%s: not a valid OpenFlow version", version_s); | |
3480 | } | |
3481 | ||
f25d0cf3 | 3482 | ds_init(&in); |
bdda5aca | 3483 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
65a8a59e BP |
3484 | struct ofpbuf of_out; |
3485 | struct ofpbuf of_in; | |
f25d0cf3 | 3486 | struct ofpbuf ofpacts; |
65a8a59e BP |
3487 | const char *table_id; |
3488 | char *actions; | |
f25d0cf3 BP |
3489 | enum ofperr error; |
3490 | size_t size; | |
3491 | struct ds s; | |
3492 | ||
65a8a59e BP |
3493 | /* Parse table_id separated with the follow-up actions by ",", if |
3494 | * any. */ | |
3495 | actions = ds_cstr(&in); | |
3496 | table_id = NULL; | |
3497 | if (strstr(actions, ",")) { | |
3498 | table_id = strsep(&actions, ","); | |
3499 | } | |
3500 | ||
f25d0cf3 | 3501 | /* Parse hex bytes. */ |
65a8a59e BP |
3502 | ofpbuf_init(&of_in, 0); |
3503 | if (ofpbuf_put_hex(&of_in, actions, NULL)[0] != '\0') { | |
f25d0cf3 BP |
3504 | ovs_fatal(0, "Trailing garbage in hex data"); |
3505 | } | |
3506 | ||
3507 | /* Convert to ofpacts. */ | |
3508 | ofpbuf_init(&ofpacts, 0); | |
6fd6ed71 | 3509 | size = of_in.size; |
8f2cded4 BP |
3510 | error = (instructions |
3511 | ? ofpacts_pull_openflow_instructions | |
3512 | : ofpacts_pull_openflow_actions)( | |
6fd6ed71 | 3513 | &of_in, of_in.size, version, &ofpacts); |
65a8a59e BP |
3514 | if (!error && instructions) { |
3515 | /* Verify actions, enforce consistency. */ | |
3516 | enum ofputil_protocol protocol; | |
3517 | struct flow flow; | |
3518 | ||
3519 | memset(&flow, 0, sizeof flow); | |
3520 | protocol = ofputil_protocols_from_ofp_version(version); | |
6fd6ed71 | 3521 | error = ofpacts_check_consistency(ofpacts.data, ofpacts.size, |
65a8a59e BP |
3522 | &flow, OFPP_MAX, |
3523 | table_id ? atoi(table_id) : 0, | |
00da1ac5 | 3524 | OFPTT_MAX + 1, protocol); |
65a8a59e | 3525 | } |
f25d0cf3 | 3526 | if (error) { |
65a8a59e BP |
3527 | printf("bad %s %s: %s\n\n", |
3528 | version_s, instructions ? "instructions" : "actions", | |
3529 | ofperr_get_name(error)); | |
f25d0cf3 | 3530 | ofpbuf_uninit(&ofpacts); |
65a8a59e | 3531 | ofpbuf_uninit(&of_in); |
f25d0cf3 BP |
3532 | continue; |
3533 | } | |
65a8a59e | 3534 | ofpbuf_push_uninit(&of_in, size); |
f25d0cf3 BP |
3535 | |
3536 | /* Print cls_rule. */ | |
3537 | ds_init(&s); | |
455ecd77 | 3538 | ds_put_cstr(&s, "actions="); |
6fd6ed71 | 3539 | ofpacts_format(ofpacts.data, ofpacts.size, &s); |
f25d0cf3 BP |
3540 | puts(ds_cstr(&s)); |
3541 | ds_destroy(&s); | |
3542 | ||
3543 | /* Convert back to ofp10 actions and print differences from input. */ | |
65a8a59e BP |
3544 | ofpbuf_init(&of_out, 0); |
3545 | if (instructions) { | |
6fd6ed71 PS |
3546 | ofpacts_put_openflow_instructions(ofpacts.data, ofpacts.size, |
3547 | &of_out, version); | |
65a8a59e | 3548 | } else { |
6fd6ed71 | 3549 | ofpacts_put_openflow_actions(ofpacts.data, ofpacts.size, |
65a8a59e BP |
3550 | &of_out, version); |
3551 | } | |
f25d0cf3 | 3552 | |
6fd6ed71 PS |
3553 | print_differences("", of_in.data, of_in.size, |
3554 | of_out.data, of_out.size); | |
f25d0cf3 BP |
3555 | putchar('\n'); |
3556 | ||
3557 | ofpbuf_uninit(&ofpacts); | |
65a8a59e BP |
3558 | ofpbuf_uninit(&of_in); |
3559 | ofpbuf_uninit(&of_out); | |
f25d0cf3 BP |
3560 | } |
3561 | ds_destroy(&in); | |
3562 | } | |
3563 | ||
65a8a59e BP |
3564 | /* "parse-actions VERSION": reads a series of action specifications for the |
3565 | * given OpenFlow VERSION as hex bytes from stdin, converts them to ofpacts, | |
3566 | * prints them as strings on stdout, and then converts them back to hex bytes | |
3567 | * and prints any differences from the input. */ | |
8f2cded4 | 3568 | static void |
1636c761 | 3569 | ofctl_parse_actions(struct ovs_cmdl_context *ctx) |
8f2cded4 | 3570 | { |
1636c761 | 3571 | ofctl_parse_actions__(ctx->argv[1], false); |
8f2cded4 BP |
3572 | } |
3573 | ||
65a8a59e BP |
3574 | /* "parse-actions VERSION": reads a series of instruction specifications for |
3575 | * the given OpenFlow VERSION as hex bytes from stdin, converts them to | |
3576 | * ofpacts, prints them as strings on stdout, and then converts them back to | |
3577 | * hex bytes and prints any differences from the input. */ | |
8f2cded4 | 3578 | static void |
1636c761 | 3579 | ofctl_parse_instructions(struct ovs_cmdl_context *ctx) |
8f2cded4 | 3580 | { |
1636c761 | 3581 | ofctl_parse_actions__(ctx->argv[1], true); |
8f2cded4 BP |
3582 | } |
3583 | ||
96628ae8 BP |
3584 | /* "parse-ofp10-match": reads a series of ofp10_match specifications as hex |
3585 | * bytes from stdin, converts them to cls_rules, prints them as strings on | |
3586 | * stdout, and then converts them back to hex bytes and prints any differences | |
8812ec2c BP |
3587 | * from the input. |
3588 | * | |
3589 | * The input hex bytes may contain "x"s to represent "don't-cares", bytes whose | |
3590 | * values are ignored in the input and will be set to zero when OVS converts | |
3591 | * them back to hex bytes. ovs-ofctl actually sets "x"s to random bits when | |
3592 | * it does the conversion to hex, to ensure that in fact they are ignored. */ | |
96628ae8 | 3593 | static void |
1636c761 | 3594 | ofctl_parse_ofp10_match(struct ovs_cmdl_context *ctx OVS_UNUSED) |
96628ae8 | 3595 | { |
8812ec2c | 3596 | struct ds expout; |
96628ae8 BP |
3597 | struct ds in; |
3598 | ||
3599 | ds_init(&in); | |
8812ec2c | 3600 | ds_init(&expout); |
bdda5aca | 3601 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
8812ec2c | 3602 | struct ofpbuf match_in, match_expout; |
96628ae8 BP |
3603 | struct ofp10_match match_out; |
3604 | struct ofp10_match match_normal; | |
81a76618 | 3605 | struct match match; |
8812ec2c BP |
3606 | char *p; |
3607 | ||
3608 | /* Parse hex bytes to use for expected output. */ | |
3609 | ds_clear(&expout); | |
3610 | ds_put_cstr(&expout, ds_cstr(&in)); | |
3611 | for (p = ds_cstr(&expout); *p; p++) { | |
3612 | if (*p == 'x') { | |
3613 | *p = '0'; | |
3614 | } | |
3615 | } | |
3616 | ofpbuf_init(&match_expout, 0); | |
3617 | if (ofpbuf_put_hex(&match_expout, ds_cstr(&expout), NULL)[0] != '\0') { | |
3618 | ovs_fatal(0, "Trailing garbage in hex data"); | |
3619 | } | |
6fd6ed71 | 3620 | if (match_expout.size != sizeof(struct ofp10_match)) { |
437d0d22 | 3621 | ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE, |
6fd6ed71 | 3622 | match_expout.size, sizeof(struct ofp10_match)); |
8812ec2c | 3623 | } |
96628ae8 | 3624 | |
8812ec2c BP |
3625 | /* Parse hex bytes for input. */ |
3626 | for (p = ds_cstr(&in); *p; p++) { | |
3627 | if (*p == 'x') { | |
3628 | *p = "0123456789abcdef"[random_uint32() & 0xf]; | |
3629 | } | |
3630 | } | |
96628ae8 BP |
3631 | ofpbuf_init(&match_in, 0); |
3632 | if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') { | |
3633 | ovs_fatal(0, "Trailing garbage in hex data"); | |
3634 | } | |
6fd6ed71 | 3635 | if (match_in.size != sizeof(struct ofp10_match)) { |
437d0d22 | 3636 | ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE, |
6fd6ed71 | 3637 | match_in.size, sizeof(struct ofp10_match)); |
96628ae8 BP |
3638 | } |
3639 | ||
3640 | /* Convert to cls_rule and print. */ | |
6fd6ed71 | 3641 | ofputil_match_from_ofp10_match(match_in.data, &match); |
81a76618 | 3642 | match_print(&match); |
96628ae8 BP |
3643 | |
3644 | /* Convert back to ofp10_match and print differences from input. */ | |
81a76618 | 3645 | ofputil_match_to_ofp10_match(&match, &match_out); |
6fd6ed71 | 3646 | print_differences("", match_expout.data, match_expout.size, |
96628ae8 BP |
3647 | &match_out, sizeof match_out); |
3648 | ||
3649 | /* Normalize, then convert and compare again. */ | |
81a76618 BP |
3650 | ofputil_normalize_match(&match); |
3651 | ofputil_match_to_ofp10_match(&match, &match_normal); | |
96628ae8 BP |
3652 | print_differences("normal: ", &match_out, sizeof match_out, |
3653 | &match_normal, sizeof match_normal); | |
3654 | putchar('\n'); | |
3655 | ||
3656 | ofpbuf_uninit(&match_in); | |
8812ec2c | 3657 | ofpbuf_uninit(&match_expout); |
96628ae8 BP |
3658 | } |
3659 | ds_destroy(&in); | |
8812ec2c | 3660 | ds_destroy(&expout); |
96628ae8 BP |
3661 | } |
3662 | ||
410698cf | 3663 | /* "parse-ofp11-match": reads a series of ofp11_match specifications as hex |
81a76618 BP |
3664 | * bytes from stdin, converts them to "struct match"es, prints them as strings |
3665 | * on stdout, and then converts them back to hex bytes and prints any | |
3666 | * differences from the input. */ | |
410698cf | 3667 | static void |
1636c761 | 3668 | ofctl_parse_ofp11_match(struct ovs_cmdl_context *ctx OVS_UNUSED) |
410698cf BP |
3669 | { |
3670 | struct ds in; | |
3671 | ||
3672 | ds_init(&in); | |
bdda5aca | 3673 | while (!ds_get_preprocessed_line(&in, stdin, NULL)) { |
410698cf BP |
3674 | struct ofpbuf match_in; |
3675 | struct ofp11_match match_out; | |
81a76618 | 3676 | struct match match; |
410698cf | 3677 | enum ofperr error; |
410698cf BP |
3678 | |
3679 | /* Parse hex bytes. */ | |
3680 | ofpbuf_init(&match_in, 0); | |
3681 | if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') { | |
3682 | ovs_fatal(0, "Trailing garbage in hex data"); | |
3683 | } | |
6fd6ed71 | 3684 | if (match_in.size != sizeof(struct ofp11_match)) { |
437d0d22 | 3685 | ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE, |
6fd6ed71 | 3686 | match_in.size, sizeof(struct ofp11_match)); |
410698cf BP |
3687 | } |
3688 | ||
81a76618 | 3689 | /* Convert to match. */ |
6fd6ed71 | 3690 | error = ofputil_match_from_ofp11_match(match_in.data, &match); |
410698cf BP |
3691 | if (error) { |
3692 | printf("bad ofp11_match: %s\n\n", ofperr_get_name(error)); | |
3693 | ofpbuf_uninit(&match_in); | |
3694 | continue; | |
3695 | } | |
3696 | ||
81a76618 BP |
3697 | /* Print match. */ |
3698 | match_print(&match); | |
410698cf BP |
3699 | |
3700 | /* Convert back to ofp11_match and print differences from input. */ | |
81a76618 | 3701 | ofputil_match_to_ofp11_match(&match, &match_out); |
410698cf | 3702 | |
6fd6ed71 | 3703 | print_differences("", match_in.data, match_in.size, |
d01c980f BP |
3704 | &match_out, sizeof match_out); |
3705 | putchar('\n'); | |
410698cf | 3706 | |
d01c980f BP |
3707 | ofpbuf_uninit(&match_in); |
3708 | } | |
3709 | ds_destroy(&in); | |
3710 | } | |
3711 | ||
77ab5fd2 BP |
3712 | /* "parse-pcap PCAP...": read packets from each PCAP file and print their |
3713 | * flows. */ | |
14249c02 | 3714 | static void |
1636c761 | 3715 | ofctl_parse_pcap(struct ovs_cmdl_context *ctx) |
14249c02 | 3716 | { |
77ab5fd2 BP |
3717 | int error = 0; |
3718 | for (int i = 1; i < ctx->argc; i++) { | |
3719 | const char *filename = ctx->argv[i]; | |
3720 | FILE *pcap = ovs_pcap_open(filename, "rb"); | |
3721 | if (!pcap) { | |
3722 | error = errno; | |
3723 | ovs_error(error, "%s: open failed", filename); | |
3724 | continue; | |
3725 | } | |
14249c02 | 3726 | |
77ab5fd2 BP |
3727 | for (;;) { |
3728 | struct dp_packet *packet; | |
3729 | struct flow flow; | |
3730 | int retval; | |
14249c02 | 3731 | |
77ab5fd2 BP |
3732 | retval = ovs_pcap_read(pcap, &packet, NULL); |
3733 | if (retval == EOF) { | |
3734 | break; | |
3735 | } else if (retval) { | |
3736 | error = retval; | |
3737 | ovs_error(error, "%s: read failed", filename); | |
3738 | } | |
14249c02 | 3739 | |
117d7249 | 3740 | pkt_metadata_init(&packet->md, u32_to_odp(ofp_to_u16(OFPP_ANY))); |
77ab5fd2 BP |
3741 | flow_extract(packet, &flow); |
3742 | flow_print(stdout, &flow); | |
3743 | putchar('\n'); | |
3744 | dp_packet_delete(packet); | |
14249c02 | 3745 | } |
77ab5fd2 | 3746 | fclose(pcap); |
14249c02 | 3747 | } |
77ab5fd2 | 3748 | exit(error); |
14249c02 BP |
3749 | } |
3750 | ||
df778240 BP |
3751 | /* "check-vlan VLAN_TCI VLAN_TCI_MASK": converts the specified vlan_tci and |
3752 | * mask values to and from various formats and prints the results. */ | |
3753 | static void | |
1636c761 | 3754 | ofctl_check_vlan(struct ovs_cmdl_context *ctx) |
df778240 | 3755 | { |
81a76618 | 3756 | struct match match; |
df778240 BP |
3757 | |
3758 | char *string_s; | |
3759 | struct ofputil_flow_mod fm; | |
3760 | ||
3761 | struct ofpbuf nxm; | |
81a76618 | 3762 | struct match nxm_match; |
df778240 BP |
3763 | int nxm_match_len; |
3764 | char *nxm_s; | |
3765 | ||
81a76618 BP |
3766 | struct ofp10_match of10_raw; |
3767 | struct match of10_match; | |
df778240 | 3768 | |
81a76618 BP |
3769 | struct ofp11_match of11_raw; |
3770 | struct match of11_match; | |
df778240 BP |
3771 | |
3772 | enum ofperr error; | |
bdda5aca | 3773 | char *error_s; |
df778240 | 3774 | |
db0b6c29 JR |
3775 | enum ofputil_protocol usable_protocols; /* Unused for now. */ |
3776 | ||
81a76618 | 3777 | match_init_catchall(&match); |
1636c761 RB |
3778 | match.flow.vlan_tci = htons(strtoul(ctx->argv[1], NULL, 16)); |
3779 | match.wc.masks.vlan_tci = htons(strtoul(ctx->argv[2], NULL, 16)); | |
df778240 BP |
3780 | |
3781 | /* Convert to and from string. */ | |
81a76618 | 3782 | string_s = match_to_string(&match, OFP_DEFAULT_PRIORITY); |
df778240 BP |
3783 | printf("%s -> ", string_s); |
3784 | fflush(stdout); | |
ba2fe8e9 | 3785 | error_s = parse_ofp_str(&fm, -1, string_s, &usable_protocols); |
bdda5aca BP |
3786 | if (error_s) { |
3787 | ovs_fatal(0, "%s", error_s); | |
3788 | } | |
df778240 | 3789 | printf("%04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
3790 | ntohs(fm.match.flow.vlan_tci), |
3791 | ntohs(fm.match.wc.masks.vlan_tci)); | |
4d859fa9 | 3792 | free(string_s); |
df778240 BP |
3793 | |
3794 | /* Convert to and from NXM. */ | |
3795 | ofpbuf_init(&nxm, 0); | |
81a76618 | 3796 | nxm_match_len = nx_put_match(&nxm, &match, htonll(0), htonll(0)); |
6fd6ed71 | 3797 | nxm_s = nx_match_to_string(nxm.data, nxm_match_len); |
81a76618 | 3798 | error = nx_pull_match(&nxm, nxm_match_len, &nxm_match, NULL, NULL); |
df778240 BP |
3799 | printf("NXM: %s -> ", nxm_s); |
3800 | if (error) { | |
3801 | printf("%s\n", ofperr_to_string(error)); | |
3802 | } else { | |
3803 | printf("%04"PRIx16"/%04"PRIx16"\n", | |
81a76618 BP |
3804 | ntohs(nxm_match.flow.vlan_tci), |
3805 | ntohs(nxm_match.wc.masks.vlan_tci)); | |
df778240 BP |
3806 | } |
3807 | free(nxm_s); | |
3808 | ofpbuf_uninit(&nxm); | |
3809 | ||
476a0e9e SH |
3810 | /* Convert to and from OXM. */ |
3811 | ofpbuf_init(&nxm, 0); | |
9d84066c | 3812 | nxm_match_len = oxm_put_match(&nxm, &match, OFP12_VERSION); |
db5a1019 | 3813 | nxm_s = oxm_match_to_string(&nxm, nxm_match_len); |
81a76618 | 3814 | error = oxm_pull_match(&nxm, &nxm_match); |
476a0e9e SH |
3815 | printf("OXM: %s -> ", nxm_s); |
3816 | if (error) { | |
3817 | printf("%s\n", ofperr_to_string(error)); | |
3818 | } else { | |
81a76618 | 3819 | uint16_t vid = ntohs(nxm_match.flow.vlan_tci) & |
476a0e9e | 3820 | (VLAN_VID_MASK | VLAN_CFI); |
81a76618 | 3821 | uint16_t mask = ntohs(nxm_match.wc.masks.vlan_tci) & |
476a0e9e SH |
3822 | (VLAN_VID_MASK | VLAN_CFI); |
3823 | ||
3824 | printf("%04"PRIx16"/%04"PRIx16",", vid, mask); | |
81a76618 BP |
3825 | if (vid && vlan_tci_to_pcp(nxm_match.wc.masks.vlan_tci)) { |
3826 | printf("%02"PRIx8"\n", vlan_tci_to_pcp(nxm_match.flow.vlan_tci)); | |
476a0e9e SH |
3827 | } else { |
3828 | printf("--\n"); | |
3829 | } | |
3830 | } | |
3831 | free(nxm_s); | |
3832 | ofpbuf_uninit(&nxm); | |
3833 | ||
df778240 | 3834 | /* Convert to and from OpenFlow 1.0. */ |
81a76618 BP |
3835 | ofputil_match_to_ofp10_match(&match, &of10_raw); |
3836 | ofputil_match_from_ofp10_match(&of10_raw, &of10_match); | |
df778240 | 3837 | printf("OF1.0: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
3838 | ntohs(of10_raw.dl_vlan), |
3839 | (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN)) != 0, | |
3840 | of10_raw.dl_vlan_pcp, | |
3841 | (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN_PCP)) != 0, | |
3842 | ntohs(of10_match.flow.vlan_tci), | |
3843 | ntohs(of10_match.wc.masks.vlan_tci)); | |
df778240 BP |
3844 | |
3845 | /* Convert to and from OpenFlow 1.1. */ | |
81a76618 BP |
3846 | ofputil_match_to_ofp11_match(&match, &of11_raw); |
3847 | ofputil_match_from_ofp11_match(&of11_raw, &of11_match); | |
df778240 | 3848 | printf("OF1.1: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n", |
81a76618 BP |
3849 | ntohs(of11_raw.dl_vlan), |
3850 | (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN)) != 0, | |
3851 | of11_raw.dl_vlan_pcp, | |
3852 | (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN_PCP)) != 0, | |
3853 | ntohs(of11_match.flow.vlan_tci), | |
3854 | ntohs(of11_match.wc.masks.vlan_tci)); | |
df778240 BP |
3855 | } |
3856 | ||
2e0525bc SH |
3857 | /* "print-error ENUM": Prints the type and code of ENUM for every OpenFlow |
3858 | * version. */ | |
3859 | static void | |
1636c761 | 3860 | ofctl_print_error(struct ovs_cmdl_context *ctx) |
2e0525bc SH |
3861 | { |
3862 | enum ofperr error; | |
3863 | int version; | |
3864 | ||
1636c761 | 3865 | error = ofperr_from_name(ctx->argv[1]); |
2e0525bc | 3866 | if (!error) { |
1636c761 | 3867 | ovs_fatal(0, "unknown error \"%s\"", ctx->argv[1]); |
2e0525bc SH |
3868 | } |
3869 | ||
3870 | for (version = 0; version <= UINT8_MAX; version++) { | |
688e86e1 | 3871 | const char *name = ofperr_domain_get_name(version); |
514887ee BP |
3872 | if (name) { |
3873 | int vendor = ofperr_get_vendor(error, version); | |
3874 | int type = ofperr_get_type(error, version); | |
3875 | int code = ofperr_get_code(error, version); | |
3876 | ||
3877 | if (vendor != -1 || type != -1 || code != -1) { | |
3878 | printf("%s: vendor %#x, type %d, code %d\n", | |
3879 | name, vendor, type, code); | |
3880 | } | |
2e0525bc | 3881 | } |
2e0525bc SH |
3882 | } |
3883 | } | |
3884 | ||
edd70aa7 BP |
3885 | /* "encode-error-reply ENUM REQUEST": Encodes an error reply to REQUEST for the |
3886 | * error named ENUM and prints the error reply in hex. */ | |
3887 | static void | |
1636c761 | 3888 | ofctl_encode_error_reply(struct ovs_cmdl_context *ctx) |
edd70aa7 BP |
3889 | { |
3890 | const struct ofp_header *oh; | |
3891 | struct ofpbuf request, *reply; | |
3892 | enum ofperr error; | |
3893 | ||
1636c761 | 3894 | error = ofperr_from_name(ctx->argv[1]); |
edd70aa7 | 3895 | if (!error) { |
1636c761 | 3896 | ovs_fatal(0, "unknown error \"%s\"", ctx->argv[1]); |
edd70aa7 BP |
3897 | } |
3898 | ||
3899 | ofpbuf_init(&request, 0); | |
1636c761 | 3900 | if (ofpbuf_put_hex(&request, ctx->argv[2], NULL)[0] != '\0') { |
edd70aa7 BP |
3901 | ovs_fatal(0, "Trailing garbage in hex data"); |
3902 | } | |
6fd6ed71 | 3903 | if (request.size < sizeof(struct ofp_header)) { |
edd70aa7 BP |
3904 | ovs_fatal(0, "Request too short"); |
3905 | } | |
3906 | ||
6fd6ed71 PS |
3907 | oh = request.data; |
3908 | if (request.size != ntohs(oh->length)) { | |
edd70aa7 BP |
3909 | ovs_fatal(0, "Request size inconsistent"); |
3910 | } | |
3911 | ||
6fd6ed71 | 3912 | reply = ofperr_encode_reply(error, request.data); |
edd70aa7 BP |
3913 | ofpbuf_uninit(&request); |
3914 | ||
6fd6ed71 | 3915 | ovs_hex_dump(stdout, reply->data, reply->size, 0, false); |
edd70aa7 BP |
3916 | ofpbuf_delete(reply); |
3917 | } | |
3918 | ||
fec00620 BP |
3919 | /* "ofp-print HEXSTRING [VERBOSITY]": Converts the hex digits in HEXSTRING into |
3920 | * binary data, interpreting them as an OpenFlow message, and prints the | |
8b227701 GS |
3921 | * OpenFlow message on stdout, at VERBOSITY (level 2 by default). |
3922 | * | |
3923 | * Alternative usage: "ofp-print [VERBOSITY] - < HEXSTRING_FILE", where | |
3924 | * HEXSTRING_FILE contains the HEXSTRING. */ | |
fec00620 | 3925 | static void |
1636c761 | 3926 | ofctl_ofp_print(struct ovs_cmdl_context *ctx) |
fec00620 BP |
3927 | { |
3928 | struct ofpbuf packet; | |
8b227701 GS |
3929 | char *buffer; |
3930 | int verbosity = 2; | |
3931 | struct ds line; | |
3932 | ||
3933 | ds_init(&line); | |
3934 | ||
1636c761 | 3935 | if (!strcmp(ctx->argv[ctx->argc-1], "-")) { |
8b227701 GS |
3936 | if (ds_get_line(&line, stdin)) { |
3937 | VLOG_FATAL("Failed to read stdin"); | |
3938 | } | |
3939 | ||
3940 | buffer = line.string; | |
1636c761 RB |
3941 | verbosity = ctx->argc > 2 ? atoi(ctx->argv[1]) : verbosity; |
3942 | } else if (ctx->argc > 2) { | |
3943 | buffer = ctx->argv[1]; | |
3944 | verbosity = atoi(ctx->argv[2]); | |
8b227701 | 3945 | } else { |
1636c761 | 3946 | buffer = ctx->argv[1]; |
8b227701 | 3947 | } |
fec00620 | 3948 | |
8b227701 GS |
3949 | ofpbuf_init(&packet, strlen(buffer) / 2); |
3950 | if (ofpbuf_put_hex(&packet, buffer, NULL)[0] != '\0') { | |
fec00620 BP |
3951 | ovs_fatal(0, "trailing garbage following hex bytes"); |
3952 | } | |
6fd6ed71 | 3953 | ofp_print(stdout, packet.data, packet.size, verbosity); |
fec00620 | 3954 | ofpbuf_uninit(&packet); |
8b227701 | 3955 | ds_destroy(&line); |
fec00620 BP |
3956 | } |
3957 | ||
681ea7a0 BP |
3958 | /* "encode-hello BITMAP...": Encodes each BITMAP as an OpenFlow hello message |
3959 | * and dumps each message in hex. */ | |
3960 | static void | |
1636c761 | 3961 | ofctl_encode_hello(struct ovs_cmdl_context *ctx) |
681ea7a0 | 3962 | { |
1636c761 | 3963 | uint32_t bitmap = strtol(ctx->argv[1], NULL, 0); |
681ea7a0 BP |
3964 | struct ofpbuf *hello; |
3965 | ||
3966 | hello = ofputil_encode_hello(bitmap); | |
6fd6ed71 PS |
3967 | ovs_hex_dump(stdout, hello->data, hello->size, 0, false); |
3968 | ofp_print(stdout, hello->data, hello->size, verbosity); | |
681ea7a0 BP |
3969 | ofpbuf_delete(hello); |
3970 | } | |
3971 | ||
5f383751 | 3972 | static const struct ovs_cmdl_command all_commands[] = { |
451de37e AW |
3973 | { "show", "switch", |
3974 | 1, 1, ofctl_show }, | |
3975 | { "monitor", "switch [misslen] [invalid_ttl] [watch:[...]]", | |
3976 | 1, 3, ofctl_monitor }, | |
3977 | { "snoop", "switch", | |
3978 | 1, 1, ofctl_snoop }, | |
3979 | { "dump-desc", "switch", | |
3980 | 1, 1, ofctl_dump_desc }, | |
3981 | { "dump-tables", "switch", | |
3982 | 1, 1, ofctl_dump_tables }, | |
3983 | { "dump-table-features", "switch", | |
3984 | 1, 1, ofctl_dump_table_features }, | |
03c72922 BP |
3985 | { "dump-table-desc", "switch", |
3986 | 1, 1, ofctl_dump_table_desc }, | |
451de37e AW |
3987 | { "dump-flows", "switch", |
3988 | 1, 2, ofctl_dump_flows }, | |
3989 | { "dump-aggregate", "switch", | |
3990 | 1, 2, ofctl_dump_aggregate }, | |
3991 | { "queue-stats", "switch [port [queue]]", | |
3992 | 1, 3, ofctl_queue_stats }, | |
e016fb63 BP |
3993 | { "queue-get-config", "switch [port [queue]]", |
3994 | 1, 3, ofctl_queue_get_config }, | |
451de37e AW |
3995 | { "add-flow", "switch flow", |
3996 | 2, 2, ofctl_add_flow }, | |
3997 | { "add-flows", "switch file", | |
3998 | 2, 2, ofctl_add_flows }, | |
3999 | { "mod-flows", "switch flow", | |
4000 | 2, 2, ofctl_mod_flows }, | |
4001 | { "del-flows", "switch [flow]", | |
4002 | 1, 2, ofctl_del_flows }, | |
4003 | { "replace-flows", "switch file", | |
4004 | 2, 2, ofctl_replace_flows }, | |
4005 | { "diff-flows", "source1 source2", | |
4006 | 2, 2, ofctl_diff_flows }, | |
4007 | { "add-meter", "switch meter", | |
4008 | 2, 2, ofctl_add_meter }, | |
4009 | { "mod-meter", "switch meter", | |
4010 | 2, 2, ofctl_mod_meter }, | |
4011 | { "del-meter", "switch meter", | |
4012 | 2, 2, ofctl_del_meters }, | |
4013 | { "del-meters", "switch", | |
4014 | 1, 1, ofctl_del_meters }, | |
4015 | { "dump-meter", "switch meter", | |
4016 | 2, 2, ofctl_dump_meters }, | |
4017 | { "dump-meters", "switch", | |
4018 | 1, 1, ofctl_dump_meters }, | |
4019 | { "meter-stats", "switch [meter]", | |
4020 | 1, 2, ofctl_meter_stats }, | |
4021 | { "meter-features", "switch", | |
4022 | 1, 1, ofctl_meter_features }, | |
4023 | { "packet-out", "switch in_port actions packet...", | |
4024 | 4, INT_MAX, ofctl_packet_out }, | |
4025 | { "dump-ports", "switch [port]", | |
4026 | 1, 2, ofctl_dump_ports }, | |
4027 | { "dump-ports-desc", "switch [port]", | |
4028 | 1, 2, ofctl_dump_ports_desc }, | |
4029 | { "mod-port", "switch iface act", | |
4030 | 3, 3, ofctl_mod_port }, | |
4031 | { "mod-table", "switch mod", | |
4032 | 3, 3, ofctl_mod_table }, | |
4033 | { "get-frags", "switch", | |
4034 | 1, 1, ofctl_get_frags }, | |
4035 | { "set-frags", "switch frag_mode", | |
4036 | 2, 2, ofctl_set_frags }, | |
4037 | { "probe", "target", | |
4038 | 1, 1, ofctl_probe }, | |
4039 | { "ping", "target [n]", | |
4040 | 1, 2, ofctl_ping }, | |
4041 | { "benchmark", "target n count", | |
4042 | 3, 3, ofctl_benchmark }, | |
4043 | ||
fb8f22c1 BY |
4044 | { "dump-ipfix-bridge", "switch", |
4045 | 1, 1, ofctl_dump_ipfix_bridge}, | |
4046 | { "dump-ipfix-flow", "switch", | |
4047 | 1, 1, ofctl_dump_ipfix_flow}, | |
4048 | ||
451de37e AW |
4049 | { "ofp-parse", "file", |
4050 | 1, 1, ofctl_ofp_parse }, | |
4051 | { "ofp-parse-pcap", "pcap", | |
4052 | 1, INT_MAX, ofctl_ofp_parse_pcap }, | |
4053 | ||
4054 | { "add-group", "switch group", | |
4055 | 1, 2, ofctl_add_group }, | |
4056 | { "add-groups", "switch file", | |
4057 | 1, 2, ofctl_add_groups }, | |
4058 | { "mod-group", "switch group", | |
4059 | 1, 2, ofctl_mod_group }, | |
4060 | { "del-groups", "switch [group]", | |
4061 | 1, 2, ofctl_del_groups }, | |
bdbb8426 SH |
4062 | { "insert-buckets", "switch [group]", |
4063 | 1, 2, ofctl_insert_bucket }, | |
4064 | { "remove-buckets", "switch [group]", | |
4065 | 1, 2, ofctl_remove_bucket }, | |
451de37e AW |
4066 | { "dump-groups", "switch [group]", |
4067 | 1, 2, ofctl_dump_group_desc }, | |
4068 | { "dump-group-stats", "switch [group]", | |
4069 | 1, 2, ofctl_dump_group_stats }, | |
4070 | { "dump-group-features", "switch", | |
4071 | 1, 1, ofctl_dump_group_features }, | |
4e548ad9 ML |
4072 | { "add-tlv-map", "switch map", |
4073 | 2, 2, ofctl_add_tlv_map }, | |
4074 | { "del-tlv-map", "switch [map]", | |
4075 | 1, 2, ofctl_del_tlv_map }, | |
4076 | { "dump-tlv-map", "switch", | |
4077 | 1, 1, ofctl_dump_tlv_map }, | |
451de37e AW |
4078 | { "help", NULL, 0, INT_MAX, ofctl_help }, |
4079 | { "list-commands", NULL, 0, INT_MAX, ofctl_list_commands }, | |
09246b99 BP |
4080 | |
4081 | /* Undocumented commands for testing. */ | |
451de37e AW |
4082 | { "parse-flow", NULL, 1, 1, ofctl_parse_flow }, |
4083 | { "parse-flows", NULL, 1, 1, ofctl_parse_flows }, | |
4084 | { "parse-nx-match", NULL, 0, 0, ofctl_parse_nxm }, | |
4085 | { "parse-nxm", NULL, 0, 0, ofctl_parse_nxm }, | |
4086 | { "parse-oxm", NULL, 1, 1, ofctl_parse_oxm }, | |
4087 | { "parse-actions", NULL, 1, 1, ofctl_parse_actions }, | |
4088 | { "parse-instructions", NULL, 1, 1, ofctl_parse_instructions }, | |
4089 | { "parse-ofp10-match", NULL, 0, 0, ofctl_parse_ofp10_match }, | |
4090 | { "parse-ofp11-match", NULL, 0, 0, ofctl_parse_ofp11_match }, | |
77ab5fd2 | 4091 | { "parse-pcap", NULL, 1, INT_MAX, ofctl_parse_pcap }, |
451de37e AW |
4092 | { "check-vlan", NULL, 2, 2, ofctl_check_vlan }, |
4093 | { "print-error", NULL, 1, 1, ofctl_print_error }, | |
4094 | { "encode-error-reply", NULL, 2, 2, ofctl_encode_error_reply }, | |
4095 | { "ofp-print", NULL, 1, 2, ofctl_ofp_print }, | |
4096 | { "encode-hello", NULL, 1, 1, ofctl_encode_hello }, | |
4097 | ||
4098 | { NULL, NULL, 0, 0, NULL }, | |
064af421 | 4099 | }; |
3815d6c2 | 4100 | |
5f383751 | 4101 | static const struct ovs_cmdl_command *get_all_commands(void) |
3815d6c2 LS |
4102 | { |
4103 | return all_commands; | |
4104 | } |